German Saw Frame With Tension Screw 2" (60 MM), 2.5" (75 MM), 3" (80 MM), 3.5" (90 MM), 4" (100 MM), 5" (120 MM), 6" (150 MM)Description: This saw frame can be used with piercing, flat and spiral saw blades, Wooden handle to reduce fatigue and provides a greater dexterity, It has solid clamps to tightly hold blades, The thumb screws making adjusting the saw easy. This saw frame is used for cutting all metals, plastic and wood.