Xiem Tools The Clay Cutter | Adjustable Clay Cutting Wire From  £20.73

Came with three wires, not just one, that I can make any length I want. Love it!

I've used Xiem products for many years now and have always found them cleverly designed, durable and willing to pay a bit extra for them. This cutter set, however, left me very disappointed. I adjusted the wire as directed and found that by tightening the little screw to stop the wire from slipping out of the handle I 'wore' out the tiny little screw. The wire did not last very long, and once broken the handles without a working fastening mechanism were useless, too. It all went into the bin...