iShoot Improved Versatile All-metal Crab Clamp / Magic Hand / Clamp IS-XQJ III with 1/4" & 3/8" Female Thread, for Round Tube of 10-40mm in diameter Main Features: 1. An improved model of crab clamp, main body made of aluminum alloy, stainless steel rod, metal handle; surrounded shaped structure with non-slip rubber mat for stepping up circular pipes of 10-40mm in diameter; 2. Clamp using a wrench to adjust the opening angle; built-in 1/4" & 3/8" female thread for function extensions; compact design, weight about 110g, maximum load about 3kg. Package Includes: 1 x Improved Versatile Crab Clamp IS-XQJ III (The other items in the photos not listed here are for illustrating only, not included)