1. The Universal Compact V-Lock Female Quick Release Adapter is designed to directly accommodate your V lock battery, it features push-or-pull lever release design that allows to quickly attach or detach your camera batter, and a safety latch to prevent unexpected detachment. grooves at either end through which this V lock adapter can be firmly secured. 2. The Super Clamp specifically comes with an exquisite T-handle that you could hold comfortably for effortless lock or release, and the ratchet lever is designed for smooth rotation and saving effort. The jaw opening of the clamp ranges from 10mm to 50mm so that it could be sturdily and conveniently secured on the tripod leg, water pipe, handrail, pole, shelf, table, and branch etc. V Lock Mount Crab Clamp: Easy compact push-or-pull lever release design Directly attaches itself to your V Mount camera battery Maximum open jaw:50mm Net Weight:202g Color:Black & Silver Material:Metal Package Contents: 1 * Quick Release Mount Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.