QR Clamp with; Quick release Minifocus compatible with Arca-Swiss for monopod tripod head, mini fishbone style in any metal material, resistant to wear and durable; Treated with CNC machining CONVENIENCE: light weight (1.78 ounces/50.5 grams) and convenient to carry. carry COMPATIBILITY: It has a strong flat bottom and compatible with any Arca style plate such as, RRS, ARCA--SWISS/ KIRK/ Wimber ley/ MARKINS/ SUNWAYFOTO/ kangrinpoche/ BENRO/ SIRUI etc. Accurate shooting: the level at integrated bubble assures vertical or lateral precision photography SCREW ADAPTER: The adapter screw from 3/8 to 1/4 inch is included for easy use. Note: QR plate not included Package Content 1 x Clamp fish bone for QR plate 1 x 3/8 inch to 1/4 inch Hardened with CNC machining, Mini Fish Bone style, having beautiful appearance. Ultra-thin Minifocus 38mm universal quick release plate Universal quick release plate adopts Arca Swiss standard, which makes it compatible with Arca Swiss standard tripod, quick release plate clamp or ball head. Mainly made of aluminum alloy Adopt the most advanced CNC manufacturing process, surface finish and anodizing techniques, offering quality exceptional. Specifications : Material: Aluminum alloy and rubber Color: Black Camera mounting screw: 1/4" Compatibility: for Arca Swiss standard tripod, clamp plate Quick release and ball joints Plate size to Quick Release: 38*24*4mm (L*W*T) Quick Release Weight: 10g Package List: 1*38mm Quick Release Plate With a 1/4 inch camera mounting screw on the top, Suitable for: most DSLR cameras, ILDC cameras, DVs and action cameras. The anti-slip rubber pad on the top can effectively protect your device from scratches.