This air riveter from Sealey is suitable for both aluminium and steel rivets up to 3/16\" The Sealey SA31 Air / Hydraulic Riveter has an operating pressure of 90psi and an air inlet size of 1/4 inch BSP. The riveter comes with 4 nozzles in sizes: 3/32\"(2.4mm), 1/8\"(3.2mm), 5/32\"(4mm), 3/16\"(4.8mm). Of robust quality, it is able to withstand professional sheet metalworking.  Features:   Powerful tool suitable for both aluminium and steel rivets up to 3/16\"  Trigger operated riveter with hardened steel jaw assembly and rivet shaft safety cap   Comes With:   4 x riveting nozzles and 2 x spanners Specification: Air Consumption: 4.2cfm  Operating Pressure: 90psi  Air Inlet Size: 1/4\"BSP  Aluminium: Yes  Steel: Yes  Stainless Steel: No  Noise Power/Pressure: 87.3/76.3dB(A)  Weight: 1.3kg