Faithfull Stillsons have been designed to cope with the exacting needs of todays trades person. The handle and moving jaw of each stillson is forged from high-quality steel which has been heat-treated to ensure maximum strength. The steel adjustment nut has been both hardened and tempered to promote longer life. The dual coil springs on Faithfull Stillsons ensure that an instant grip of the pipe and a ratcheting action is achieved. Size. 300mm (12 in) Jaw capacity 44mm (1 3/4 in)