Roughneck Bow Saw with a large, thick steel frame which provides excellent strength and rigidity. It has an easy blade tensioner, and the soft grip handle with knuckle protection ensures comfortable use. 66812: Comes with an additional 300mm (12in) HSS bi-metal hacksaw blade. 66831: Comes with an additional 600mm (21in) HSS bi-metal hacksaw blade.The Roughneck Bow Saw comes with an additional 300mm (12in) HSS bi-metal hacksaw blade.Additional Information:Saw Type: BowsawLength (mm): 300