AB8-6CLD, MARSON, BLIND RIVET .250D .251-.375GR, ALUMINUM/STEEL, PACK OF 100, Model: Klik-Fast Closed End, Outdoor & Hardware Store DIAMETER&gt; 1/4IN. [.250IN.] [6.4MM] BODY MATERIAL&gt; ALUMINUM MANDREL MATERIAL&gt; STEEL FINISH&gt; PLAIN GRIP RANGE&gt; 0.251 - 0.375