This 9 Piece Wiha Hammer Set is for all application fields, especially delicate surfaces. Contains eight interchangeable round hammer faces. These heads can be quickly and easily changed for the task at hand using the supplied hexagon L-key. GS tested. Supplied in a robust metal box. Contains the following: 1 x Safety Hammer with a high-grade hickory handle. 1 x Round Soft Face. 2 x Round Medium-soft Face. 2 x Round Medium-hard Faces. 1 x Round Hard Face. 1 x Round Very Hard Face. 1 x Hexagonal Ball End L-key 6.0mm.