Specification: Material : Hardened Carbon Steel Color : Silver Tone Scale : Metric 100mmx63mm Thickness: 5mm Package Content : 1 x Try Square , 1 x Plastic Case Description: machinist bevel edge square, 63mmx40mm scale range. Hardened carbon steel construction, fit for the design layout, model making. Hardened and ground edge ensures straightness and parallel. Inner corner of the stock is designed with grooves which clears out the dust. Non Scale marks on the both sides, used mainly in woodworking, to lay out cutting lines at 90-degree angles,check if a surface is flat and straight. Come with a portable plastic holder box, you can take it convenience anywhere.Good for professional engineers and wood workers.