ITEM NAME:Long Quick Release Plate Adapter for Giottos MH611 Camera Tripod Ball Head Description: Quick Release Complete system is equipped with a long camera plate that slides forward and back for macro positioning Quick release plates are fitted into a compatible tripod's pan head or ball head quick release mechanism for easy removal and replacement of equipment. Made of Aluminum with black anodized. Corrosion resistant and Wear resistant. Supplied with 1/4" & 3/8" screw, and features a location (video) pin. Anti-slip rubber mat on the plate to prevent camera from falling and being scratched. Specification: Material: Aluminum Color: Black Screw Size: Standard 1/4" & 3/8" Dimension: Approx. 140*55*10mm Plate has dual threads. Compatible With: for MH611 ball head Package Includes: 1x Quick Release Plate.Compatible With: for MH611 ball head. 1x Quick Release Plate. Plate has dual threads. Supplied with 1/4" & 3/8" screw, and features a location (video) pin. Screw Size: Standard 1/4" & 3/8".