Square Ruler, Hole Ruler, Wood Marking, Scribing Line, Carpenter with 180mm Scale, Woodworking, Aluminum Alloy, Black

Quality Assurance ----- The ruler body is made of solid 6061 aluminum alloy, and the rotary knob is made of 100% high-quality pure brass. Comfortable texture. All scales on the ruler are laser-engraved, precise, clear, and easy to read.

Tracing Function ----- Use the small hole as a starting point, adjust the length you want, hold the ruler in your left hand, and draw lines with your right hand as needed.

Measuring Function ----- Move the limit block to the top of the ruler and tighten the knob. The ruler transforms into a T-ruler for everyday measurements.

Perfect Design ----- Double-sided scale, you can use the scales on both sides of the ruler as needed. Precise operation: 1 mm. Flexible and easy to use. Let the scribe do what you want, meeting all the carpenter's square wood marking needs. A great gift for friends who love woodworking.