Suitable for rivet nuts in aluminium, steel and stainless steel. Short-arms provide effortless functionality and access to restricted spaces. Features & Benefits:Suitable for rivet nuts in aluminium, steel and stainless steel.Short-arms provide effortless functionality and access to restricted spaces.Model No. AK3984 Specifications: Model No AK3984 Brand: Sealey Includes: M3 x 0.5, M4 x 0.7, M5 x 0.8, M6 x 1, M8 x 1.25mm Length: 285mm Nett Weight: 0.88kg Rivet Types: Aluminium - Yes, Steel - Yes, Stainless Steel - Yes, Structural - No