The Monument Autocut Twin Pack contains the following: 1715C: Size: 15mm. 1722Y: Size: 22mm Not for use on stainless steel. Spare wheel to fit is available MON269. The Monument Autocut Pipe Cutter has an aluminium body. Its compact size means that it is ideal for work in confined spaces. The cutter cuts in one direction to ensure a perfect cutting edge that helps prevent leaks and uneven joints. It will only cut the exact size of copper pipe specified. Not for use on stainless steel. Made in Britain.