... : 1.Body: aluminum,stainless steel,copper,steel 2. Open Type Blind Rivet1)Available in a variety of materials: Aluminum/Steel Aluminum ... ,14,16,18,20,22,25,28,30,32,35,40 4.8 6,8,10,12,14,16,18,20 ... ,22,25,28,30,32,35,40 6.4 6,8,10,12,14,16,18,20 ...