Steel blade.Hardened blade.Flexible blade.Aluminium body.Used for setting and transfering angles.Comfortable metal handle with an end screw for locking bevel in the required position.The bevels are designed to create a bevel edge with ease or replicate an existing angle, such as on stairs.Used for transferring a measured angle to a work piece for cutting or machining.The blade can be tightened with the wing screw at the end, this also doubles as a hanging hole in storage