Sirui TY-70A quick release plate The Sirui TY-70A Quick Release Plate features removable 1/4"-20 and 3/8"-16 mounting screws along with an anti-twist brass pin for use with most spotting scopes. Anti-friction rubber mats have also been added to the plate to prevent unwanted shift when adjusting the position of your tripod. The plate features a basic Arca dovetail design which allows it to fit most Arca-type clamps, tripod, and monopod heads. Sirui has also equipped this plate with its standard safety restraints, which prevent the plate from accidentally detaching when properly used with Sirui safety-lock heads.Features: Supplied with SIRUI VA-5 Professional Fluid Video Head Arca-compatible Rubber mats prevent slippage of equipment Includes 1/4 and 3/8 inch screws Either side of the plate can slide into the Quick Release clamp of SIRUI Video Heads S&S Archery.Free Shipping.Expert Advice.VIP customer service. Specs Weight: 1.9oz Length: 2.7" 1/4" and 3/8" studs