Comparison : Item # item-4492, 316 Waxed Center (Two Way) Lock Nut, 1/4-20
Item # item-4493, 316 Waxed Center (Two Way) Lock Nut, 5/16-18
Item # item-4494, 316 Waxed Center (Two Way) Lock Nut, 3/8-16
Item # item-4495, 316 Waxed Center (Two Way) Lock Nut, 1/2-13
Item # item-4496, 316 Waxed Center (Two Way) Lock Nut, 5/8-11


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