This Aluminum Mitre Box is for use with Zona Razor Saws GM677 and GM679. It can also be used with a Junior Hacksaw to cut square ends, perfect splices, and angled or mitred corners. It can hold material up to 44mm (1.75") thick. This product is one of many tools in the Gaugemaster Tools range. MEASUREMENTS LENGTH 140mm WIDTH 50mm HEIGHT 24mm