The long lasting spring steel spring slips into the center of the pipe to provide support.
Simple to use and durable, an internal bending spring is a necessity when bending pipe.
This Internal Bending Spring for 1/2" Copper Pipe will assist in bending
pipe by reducing the risk of pipe crush and unwanted deformity
Bending Spring Operation Manual, Lab Instructor Guide and Student Workbook. Bending Spring for Educational Vocational, Didactic Technical Training Equipment Labs.