1/4" D-Ring Screw for Camera Tripod Monopod Quick Release Plate $7.08 1/4'' metal male thread. D-ring with flat head screwdriver slot , can drive it by coin. Length: shaft is 11mm, total length include base is 14mm. This quality robust captive screw allows the fitment of different styles of plates to fit directly into the base of your camera equipment via the 1/4" screw. Can be used with tripods, monopods, telescopes, ball heads, lens collars, lens plates etc. Net Weight: 8g CCS-4701 Other camera accessories also available :replacement battery, charger, lens cap, lens hood, etc - We specialize in Electronics, Computer, Cell Phone, Camera, Professional Signal Conversion Devices, Adapter, Cables and other Accessories Pickup Location: "Cable Link" Tel: 613-680-6188