Saker 4-in-1 Drilling Positioning Ruler (Model GJ65174-X52237) User Manual

1. Introduction

The Saker 4-in-1 Drilling Positioning Ruler is a versatile tool designed to enhance precision and efficiency in various woodworking and DIY projects. This multifunctional device serves as a drilling jig, marking gauge, and angle ruler, making it ideal for tasks such as cabinet hardware installation, shelf construction, and general marking. Crafted from durable aluminum alloy, it features clear, wear-resistant scales and adjustable components for adaptable use.

Image 1: Overview of the Saker 4-in-1 Drilling Positioning Ruler and its packaging, showcasing its various uses.

2. Safety Information

• Always wear appropriate personal protective equipment (PPE), such as safety glasses, when operating power tools or performing drilling tasks.
• Ensure the workpiece is securely clamped or stabilized before drilling or marking to prevent movement and potential injury.
• Keep hands and fingers clear of drilling areas and moving parts of the tool.
• Use the correct drill bit size for the intended hole and ensure it is securely fastened in the drill chuck.
• Store the ruler in a clean, dry place away from children and unauthorized users.
• Do not modify the tool. Use it only for its intended purpose as described in this manual.

3. Product Components and Features

The Saker 4-in-1 Drilling Positioning Ruler consists of several key components designed for precision and versatility:

• Main Ruler Body: Features both metric and imperial scales for measurements.
• Adjustable Positioning Blocks: Three sets of blocks for precise hole placement and marking.
• Angle Adjustment Knob: Allows for setting and locking various angles.
• Dual-Axis Bubble Levels: Integrated levels for horizontal and vertical alignment (90° and 180°).
• ABS Knobs: For effortless adjustment of length and angles.
• Foldable Design: For easy storage and portability.
• Material: Constructed from premium aluminum alloy for durability and wear resistance.
• Clear, Wear-Resistant Scales: Laser-printed markings ensure longevity and readability.

Image 2: Close-up view highlighting adjustable locking blocks, drill hole locator, nail locator, and dual bubble levels.

Image 3: Illustrates the high accuracy and clear scales of the Saker ruler compared to tools with unclear markings.

4. Setup and Initial Adjustment

Before use, familiarize yourself with the ruler's adjustable features:

1. Unfold the Ruler: If folded, gently unfold the ruler until it forms a T-square or desired angle.
2. Adjusting Length and Angle: Loosen the central angle adjustment knob to rotate the ruler arms. Tighten the knob to secure the desired angle.
3. Positioning Blocks: The three sets of positioning blocks can be slid along the ruler's arms. Loosen their respective knobs, slide them to the desired measurement, and then tighten to secure.
4. Bubble Levels: Utilize the integrated bubble levels to ensure the ruler is perfectly horizontal or vertical for accurate marking and drilling.

Image 4: The ruler displaying its dimensions and the multi-angle adjustment feature.

5. Operating Instructions

5.1. Drill Holes Function

This function allows for precise and repeatable drilling of holes, particularly useful for cabinet hardware.

1. Loosen the angle adjustment knob. Rotate the ruler body into the 90° lock-in groove of the guiding rule, then tighten the angle adjustment knob.
2. Adjust the locating sliding block. Move the 4.5mm nail hole to the desired scale measurement. Tighten the knob of the locating sliding block.
3. Position the ruler firmly against the workpiece.
4. Insert your drill bit into the designated hole on the positioning block and begin drilling accurately.

Image 5: Step-by-step guide for utilizing the drill holes locator function.

5.2. Drive Nails Locator Function

For accurate positioning when driving nails or making initial marks.

1. Place the ruler closely to one side of the wood board, ensuring it is flush.
2. Fix a nail or marking tool into the desired scale on the positioning block for accurate positioning.
3. Proceed with driving the nail or making your mark.

Image 6: Step-by-step guide for utilizing the drive nails locator function.

5.3. Horizontal Line Marking Function

Equipped with auxiliary dual-axis bubble levels to help calibrate horizontal and vertical alignment for level lines.

1. After adjusting the locating sliding block to your desired measurement, place the non-flip edge of the guiding rule closely to the side of the wood board.
2. Insert a pencil into the 3mm line drawing hole. Slide the ruler and pencil in parallel to draw a precise horizontal line.
3. Use the bubble levels to ensure the ruler is perfectly level before marking.

Image 7: Demonstrating the horizontal line marking function with a pencil.

5.4. Angle Gauge Function

The ruler can be adjusted to various angles and used as a straightedge.

• Loosen the central angle adjustment knob.
• Rotate the ruler arms to the desired angle, indicated by the markings on the central disc (e.g., 30°, 45°, 60°, 90°).
• Tighten the knob to secure the angle.
• Use the angled edge for marking or as a guide for cutting.

Image 8: The ruler being used to measure and mark angles.

5.5. Adjustable Range for Double Holes (Cabinet Handles)

The design allows for specifying the desired distance between two holes, perfect for installing cabinet handles or pulls.

1. Adjust the positioning blocks on the horizontal arm to match the required center-to-center distance of your cabinet handles.
2. Securely tighten the knobs on the positioning blocks.
3. Position the ruler on the cabinet door or drawer, using the vertical arm to align it precisely.
4. Drill the two holes using the guides provided by the positioning blocks.

Image 9: The ruler configured for drilling double holes for cabinet handle installation.

6. Maintenance

• Cleaning: After each use, wipe down the ruler with a dry or slightly damp cloth to remove dust, sawdust, and debris. Avoid using harsh chemicals or abrasive cleaners that could damage the finish or scale markings.
• Storage: Store the ruler in its folded position (if applicable) in a protective case or a designated tool drawer to prevent scratches and damage. Keep it in a dry environment to prevent corrosion.
• Inspection: Periodically inspect all knobs and moving parts to ensure they are functioning correctly and securely. Tighten any loose fasteners as needed.
• Scale Preservation: The laser-printed scales are wear-resistant, but prolonged exposure to harsh conditions or abrasive contact should be avoided to maintain readability.

Image 10: The ruler's foldable design and durable aluminum alloy construction, emphasizing ease of storage and material quality.

7. Troubleshooting

8. Specifications

• Model Number: GJ65174-X52237
• Product Dimensions: 13.78"L x 13.78"W (overall extended dimensions)
• Graduation Range: 13.78 Inches / 35 cm
• Material: Premium Aluminum Alloy
• Weight: Approximately 1.26 Pounds
• Features: 4-in-1 functionality (Drilling Jig, Marking Gauge, Angle Ruler, T-Square), Dual-Axis Bubble Levels, Foldable Design, Metric and Imperial Scales.

9. Warranty and Support

For warranty information or technical support, please refer to the product packaging or contact Saker customer service directly. Keep your purchase receipt as proof of purchase.

You can visit the official Saker store for more information: Saker Store on Amazon