1. Patentedprocessproviding170% more weld contact for superior teeth stripping resistance 2. Significantly reduced fracture and breakage 3. Multi-edge cutting performance resulting in faster cuts and longer blade life Hacksaw Frames 145 CLOSED GRIP - HIGH TENSION High tension heavy-duty hacksaw frame with a closed grip features a professional quality high-tension hack saw frame and is easy to use with an efficient adjustment lever. Fea tures • 12"(300mm) Starrett bi-metalunique® , high speed steel Safe-Flex hacksaw blade included • The handle is covered by rubber overmold for comfortable grip 140 CLOSED GRIP - NON ADJUSTABLE Non adjustable light duty hacksaw frame features a lightweight closed grip frame accepting 12" blades. The blades can be tensioned by a single wing nut in the front of frame. Fea tures • 12"(300mm) Starrett bi-metalunique® , high speed steel Safe-Flex hacksaw blade included Closed Grip  Closed Grip  ® ® Cat. No. EDP Description K140 12184 Non-Adjustable Light Duty Hacksaw Frame, Closed Grip Cat. No. EDP Description K145 67818 High-Tension Heavy-Duty Hacksaw Frame, Closed Grip K140 K145 32 H acksaws