HTTMT Features:Our HTTMT 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. The head can be adjusted between 0 and 70, and is firmly locked every 5 (plus 22-1 / 2 and 67-1 / 2), so can be provided with an accurate reference angle and length respectively Perfect Woodworking Layout Tools: Even when you are not working with angles, this is a lay out tool ll reach for on almost every project. The blade features the same exclusive saw-tooth design scribing notches found in our new Stainless Steel Precision Woodworking Squares. There is a notch every sixteenth-inch all along the blade. Just drop your pencil in the notch and slide the head along the edge of your stock for a perfectly parallel line. Three Sizes Available:It has 10 inches, 15 inches or 20 inches. Both edges of the blade are laser engraved with an inch scale in 1/32 increments. The graduations are held to a tolerance of .004 total accumulated error over the length of the blade. The thin, satin-finish stainless-steel blade is easy to read and minimizes parallax error. Portability:This product is small in size and light in weight, which is very convenient to carry around. Attributes:- HTTMT Features:- Our HTTMT 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. The head can be adjusted between 0 and 70, and is firmly locked every 5 (plus 22-1 / 2 and 67-1 / 2), so can be provided with an accurate reference angle and length respectively - Perfect Woodworking Layout Tools: Even when you are not working with angles, this is a lay out tool ll reach for on almost every project. The blade features the same exclusive saw-tooth design scribing notches found in our new Stainless Steel Precision Woodworking Squares. There is a notch every sixteenth-inch all along the blade. Just drop your pencil in the notch and slide the head along the edge of your stock for a perfectly parallel line. Three Sizes Available:- It has 10 inches, 15 inches or 20 inches. Both edges of the blade are laser engraved with an inch scale in 1/32 increments. The graduations are held to a tolerance of .004 total accumulated error over the length of the blade. The thin, satin-finish stainless-steel blade is easy to read and minimizes parallax error. Portability:- This product is small in size and light in weight, which is very convenient to carry around.