This is a 2-56 Swivel Ball Link Set with Hardware.
FEATURES: Brass, plastic, & steel construction
INCLUDES: Two swivel ball links w/2-56 self-threading shank (.997" long) Two 2-56x1/2" socket head cap screws (black) Two 2-56 nuts (Silver) Two beveled spacers .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
SPECS: See "includes" above