Size:8"Applicable to stainless steel,aluminum and steel rivetStainless steel rivet:Φ2.4mm, 3.2mm,4.0mm Aluminum&steel rivet:Φ2.4mm, 3.2mm,4.0mm,4.8mmHand riveter material:Steel+AluminiumPacked by double blisterIngco Hand riveter 8" (for stainless steel, aluminum & steel rivets)