Spear & Jackson CSB75 Carpenters Sliding Bevel 7.5\" (190mm) The carpenters sliding bevel is used for determining existing angles and for transferring angles onto a workpiece. The CSB75 has been manufactured using a rosewood stained hardwood and hardened steel blade. It features a brass top and bottom endplates.  Features Spring steel blade Hardwood Stock For marking regular and irregular angles Specification: Base Length:  136 ± 1mm Base Depth & Width:  26.5 ± 1mm x 18.0 ± 0.5mm Brass Edge Thickness:  3mm thick