This is a 2-56 Swivel Ball Link Set with Hardware

Features

Brass, plastic, & steel construction

Includes

One swivel ball links w/2-56 self-threading shank (.997" long)
One 2-56x1/2" socket head cap screws (black)
One 2-56 nut (Silver)
One beveled spacer .084x.186x.081 (ID x OD x thickness) (brass)

Requires

5/64" allen wrench for socket head cap screws
3/16" wrench for the nuts

Specifications

See "includes" above