Black wood handle Professional quality. With thumbscrews that firmly secure the blades into the frame 144pcs saw blades include 12 pieces for each size: 1/0, 2/0, 3/0, 4/0, 5/0, 6/0,1#, 2#, 3#, 4#, 5#, 6#.(12 sizes) This saw allows you to work with various blade lengths(3-14.4cm) Saw Frame jewelry set, Adjustable Saw Bow for jewelry, metal cutting saw blade, wood handle coping saw, Professional Jewelers Saw Frame, Hand Tools, Weight: 0.5070632026 Pounds, Manufacturer: CHRYE