("X") 7/16" opening Applications Control arm shaft mounting bolts up to 7/16". #47760 Thickness 1/64" Qty: 50, #47761 Thickness 1/32" Qty: 50, #47762 Thickness 1/16" Qty: 50, #47763 Thickness 1/8" Qty: 50, #47764 Thickness 3/16" Qty: 50.