Bear Heavy-Duty 63mm and Pocket 42mm Squeeze-Off Tools (Pack of 2)Heavy Duty 20 63mm The Heavy Duty Squeeze Tool 63mm is designed for flow control or temporary closure of pipe sizes 20 63mm. It is robust and features a fully welded double loop design and rotating buffer stop plates to prevent damage to the pipe. Pipe range 20 63mm Buffer stop plates Robust double loop construction Simple and easy to use Optional bottom bar chain Use to limit the flow of burst pipes, allowing repairs. Mainly used for water pipes but