Features: This saw drill bit is made of good quality steel, high strength, unbreakable, durable. Professional drill bit, suitable for construction, installation, renovation, decoration industry, etc. Help you easily drill a hole on wood. With different options for you to choose to meet your needs. Great accessory for mortising, chisel, and woodworking. Specifications: Condition: 100% New and High Quality Material: High Carbon Steel Color: Silver Options: 1/2, 1/4, 3/8, 5/8, 5/16, 9/16 Total length(mm): 165-210 Blade length(mm): 47-75 Blade diameter(mm): 6.4-25 Blade size(mm): 6-25 Maximum cutting depth(mm): 75 Cutting diameter(mm): 6-25 Chip length(mm): 50-80 Weight: Approx. 623-1146g Package Included: 1 x Drill Bit