Perfect Design:The close machining tolerances provide flawless fit and silent operation.
Tri-Lock System: They have both a knurled knob and are spring loaded.
All-Metal Material: All parts are made from high-strength steel. No plastic parts and black finish.
Easy to Install:Simply turn the knob clockwise to securely close and lock the pin.Turning counterclockwise and pushing out on the knob releases the locking latch to pivot for attachment and removal.
What You Get: 1.25inch Swivel,Set of 2 traditional mounts with 3 pieces studs set every purchase:1 piece 1/2 inch screws,1 piece 3/4 inch screws and 1 piece 7/8 inch machine screw.