Made from heavy gauge carbon steel that's hardened, tempered and chemically blacked. The moulded grip handles ensure added comfort. Functions: Crimping insulated terminals size: 1.5mm (red), 2.5mm (blue) and 6.0mm (yellow), Crimping non-insulated terminals size: 1.5mm, 2.5mm, 4.0mm and 6.0mm, Wire stripping: 0.75, 1.0, 1.5, 2.5, 4.0 and 6.0mm, Shears bolts size: 2.6, 3.0, 3.5, 4.0 and 5.0mm, Wire cutting