SmallRig Quick Release Clamp (Arca-type Compatible) 2143 is a lever-type base, tightness of which can be adjusted by stirring the tiny screw on the lever, so it is cross-compatible with most Arca type plates. It features multiple 1/4’’-20, 3/8’’-16 threaded holes and thorough mounting holes on the bottom, so you could mount it on tripods, jibs and other devices Key Features:1.Arca-type compatible2.Multiple 1/4’’-20, 3/8’’-16 threaded holes and thorough mounting holes3.Lever-type base for quick releaseCompatibility:Arca-type CompatiblePackage Includes:1 x Quick Release Clamp 21434 x 1/4’’-20 Screw1 x 3/8’’-16 Screw2 x Hex SpannerProduct Dimensions: 72*70*14mmNet Weight: 135gPackage Weight: 162gMaterials:Aluminum Alloy