The Pressmaster 3 cavity die head tool is designed for crimping bootlace ferrules 4-10mm2 in size. The Pressmaster is a manual tool that is part of the pressmaster Komfort crimping tool range. Each Pressmaster 3 cavity die head tool is designed to give consistent and reliable crimp connections, and is precisely tooled to guarantee performance. Ratchet action and an emergency release mechanism are built in. The crimping tool is ergonomically designed for low effort crimping.