Master Mechanic 5-Piece Snap Ring Plier Set consists of (2) straight plier, (1) 45 degree plier, (1) 90 degree plier interchangeable heads and (1) handle. Internal and external snap ring use for straight. Carbon steel construction and black oxide finish heads. 5 Piece Snap ring plier set Consists of: (2) straight plier, (1) 45 degree plier, (1) 90 degree plier interchangeable heads and (1) handle Internal and external snap ring use for straight Carbon steel construction Black oxide finish heads.