The Sealey AK3984 Nut Riveter is suitable for use in aluminium, steel and stainless steel  The Sealey AK3984 is a Short-arm Threaded Nut Riveter Suitable for rivet nuts in aluminium, steel and stainless steel. The AK3984 Nut Riveter comes with five Nose Pieces in sizes: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1 and M8 x 1.25mm.  Features:   Suitable for rivet nuts in aluminium, steel and stainless steel  Short arms provide effortless functionality and access to restricted spaces   Comes With:   Rivet Nuts: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25mm  Specification:  Length: 285mm  Rivet Type:  Steel: Yes Aluminium: Yes  Blind Rivets: No  Stainless Steel: Yes  Structural Rivets: No