8Sinn 15MM Rod Clamp Adapter for Top Handle Pro Key features: 1 x 15mm rod opening 1 x spring-loaded thumbscrew Safe attachment Aluminum made Compatible with 8Sinn Top Handle Pro only Top Handle Pro just became even more pro by gaining two new heads. The original design of 8Sinn Top Handle Pro includes a cold shoe mount, which is helpful mostly for mounting a cold shoe holder for an external monitor. The new head includes a rod clamp adapter that can hold one 15mm diameter rod which is being fixed in place by one thumb screw. Dimensions: Height: 27mm, Length: 36mm, Width: 21mm; Weight: 21g Set includes: 1pc 8Sinn 15MM Rod Clamp Adapter for Top Handle Pro