Weight: 0.5 oz Dovetail: Arca Swiss Mounting Socket: 1/4-20 UNC Clamp Material: Nylon Fastener Material: Stainless Steel Mounting Socket: 1/4-20 UNC The Bino Clamp is lightweight, low profile, simple and incredibly secure binocular to tripod adapter. It fits into a bino harness while installed and quickly and securely mounts to a tripod. Simply the best way to mount your binoculars to a tripod for stability while glassing!