Key Features:1. Designed for SmallRig ballhead arms.2. Tool-less 3/8-16 thumb screw for convenient and firm installation.3. Compatible with other SmallRig ballhead accessories for custom configurations.4. Anti-slip pads and cushion ring for better grip.5. Max load 1.5kg. SmallRig BallHead with 3/8-16 Screw 2211 is a component of SmallRig Ballhead arms. Combined with Smallrig Ballhead Clamp 2134, it can work with other ballheads like1/4-20 Head 2134,NATO Head 2133,Arri Locating Head 2114and15mm Rod Mount Head 2186to bring more custom configurations. It has a tool-less thumb screw for convenient installation, anti-slip pads and a cushion ring for a firm grip. It is interchangeable with SmallRigBallheads products 2070,2071,2072,2115,2116,2111,2110and2186.Compatibility:UniversalPackage Includes:1 x Ballhead with 3/8-16 Screw 22111 x Hex SpannerProduct Dimensions: 28x25x60.5mmNet Weight: 45gMaterial(s): Aluminum Alloy