Hinged Set Screw Stop Collar - SC03
They are made up of two pieces and hinged at the two ends making it 180 degree apart. The gripping force is applied by one of the row of SetScrew which tightens the collar to the casing firmly. They can be fastened on to the casing pipe and much easy to install. They are most effective in conditions where there is low annual clearance. A special iron phosphate coating is applied on these collars to prevent it from getting rust.
These are available in 4 1/2" to 20 "sizes + any special sizes