Features: Stable Ruler Positioning: This marking block helps hold a steel ruler in place during repeat layout work, giving woodworkers a helpful guide for cleaner lines on boards and shop projects. Thumb Screw Clamp Control: The clamp knob tightens the fixed guide channel around the ruler, helping it stay seated while you set reference points and reset measurements by hand. Ribbed Channel Support: A ribbed channel helps the ruler stay seated during layout tasks, supporting more consistent positioning without adding complex moving parts. ABS Body With Metal Knob: The ABS body pairs with a metal clamping knob to give this manual layout tool a practical build for workshop marking, board measuring, and repeat setup work. Simple Package Contents: You receive a marking block ready to pair with a steel ruler for woodworking layout, board measuring, and everyday shop line work.
note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.