Countersunk head rivets, aluminium 5056 Length .6.32 (inch .1/4") DIAM 2.38 (inch.3/32) COD. MILITARY FASTENERS MS20426B3-4 Minumum order quantity Countersunk head rivets, aluminium 5056 Length .7.94(inch .5/16") DIAM.3.18(inch 1/8) COD. MILITARY FASTENERS MS20426B4-5 Minumum order quantity