Description WOODWORKERS EDGE RULE -Our latest precision ruler can provide unparalleled accuracy for your panel layout work. Just press the head to the desired angle, and then press the straight line. SPECIAL DESIGN - The blade features the same exclusive saw-tooth design scribing notches found in our new Stainless Steel Precision Woodworking Squares. Both edges of the blade are laser engraved with an inch scale in 1/32 increments. PRECISE ANGLE -The head can be adjusted between 0 and 70, and is firmly locked every 5 (plus 22-1/2 and 67-1/2), so as to provide you with an accurate reference angle and length respectively. ZERO ERROR -Even the most skilled woodworker faces challenges in accurately angular placement on larger panel projects. You can try to extend the production line from a small protractorr. WIDELY USE - The locking function can lock the measurement at any angle or position. Perfect for students, machinists, carpenters and woodworking hobbyists,construction, drawing for draw radial lines, setting bevels and transferring angles. Description: 1.Even when you are not working with angles, this is a lay out tool you will reach for on almost every project . 2.The blade features the same exclusive saw-tooth design. 3.Scribing notches found in our new Stainless Steel Precision Woodworking Squares. 4.There is a notch every sixteenth-inch all along the blade. 5.Just drop your pencil in the notch and slide the head along the edge of your stock for a perfectly parallel line. Specification: Product name: Woodworking RulerProduct material: metal Product size: 10 inches length 30cm 15 inches length 42cm 20 inches length 36cm Products include: 1 * Woodworkers Edge Rule