Starrett Hack Saw The Starrett K152 Adjustable Heavy Duty Hacksaw Frame features an open grip, heavy-duty frame accepting 8", 10" and 12" blades that can be mounted in any one of four cutting directions. Blades can be tensioned by a single wing nut. Features include... It is shipped with a 12"(300mm) Starrett bi-metal unique, High Speed Steel Safe-Flex Hacksaw Blade The distinctive red handles allow for good visibility in a crowded workplace Works with either 8", 10" or 12" blades. Specifications include... Blade Length (mm): 200mm, 250mm, 300mm Blade Length (in): 8", 10", 12" Throat Deep (mm): 95mm Throat Deep (in): 3.3/4"