Halder 3201.040 Simplex 1.57′ Replacement Insert, Soft Blue Rubber
The blue rubber simplex face insert is the made from a TPE rubber material. It is the softest material that Halder offers in a hammer face. It is perfect for hitting materials that can be damaged such as furniture, flooring, window and door trim and is also used in many manufacturing applications. This material will not leave marks on the material you are hitting which makes it a favorite of wood workers.