Lanxri Battery Backboard Plate Camera Cheese Plate for V Lock Mount Power Splitter + Universal Super Crab Clamp Battery Plate Battery plate for V lock mount power splitter Compatible with IDX power adapter Switching plate for railblock, battery, dovetail and cage attachment Plenty of standard spacing 1/4"-20 and 3/8"-16 threaded holes Super Crab Clamp Maximum open jaw: 54mm Clamping ranges: 10mm -30mm 1/4" & 3/8" thread holes available T-handle for easy effortless lock or release Material: anodized aluminium alloy Product The Lanxri 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 54mm so that it could be sturdily and conveniently secured on the tripod leg, water pipe, handrail, pole, shelf, table, and branch etc. Net Weight: 277 g You Get: 1 x Battery Backboard Plate Camera Cheese Plate 1 x Universal Super Crab Clamp Before you place an order, please provide me with English information to facilitate our delivery and logistics