Four way clamp is constructed of aluminum dia-casting which is very lightweight and durable.
The unique spring locking device makes locking just a snap and easy. The equipped P.U. pad also reduces surface damage and enhance gripping action.
This is for coupling onto any tube size from 35mm to 50mm such as stands, kupoles, or scaffolds in vertical or horizontal way. The safety loading weight is up to 30KG ( 66 lbs)