"surebonder" medium/long aluminum rivet 100 pack multi medium/long aluminum rivet multi grip/hole rivet serve in applications where different material thicknesses normally require several rivet sizes design allows 1/8" rivet to set in holes up to 5/32" rivet is great for oversized or oblong holes. 1/8" diameter for hole size 1/8" - 5/32" grip range .251" - .437" steel mandrel.