Features:_x000D_ _x000D_ This saw drill bit is made of good quality steel, high strength, unbreakable, durable. _x000D_ Professional drill bit, suitable for construction, installation, renovation, decoration industry, etc. _x000D_ Help you easily drill a hole on wood, suitable for various materials like wood, plastic, etc. _x000D_ 4/6 pieces a pack with different slot diameter to meet your needs. _x000D_ Great accessory for mortising, chisel, and woodworking. _x000D_ _x000D_ Specifications:_x000D_ Condition: 100% Brand New and High Quality_x000D_ Material: High Carbon Steel_x000D_ Color: Silver_x000D_ Options: 4pcs/set; 6pcs/set_x000D_ Model:_x000D_ 4pcs-1/2, 1/4, 3/8, 5/16_x000D_ 6pcs-1/2, 1/4, 3/8, 5/8, 5/16, 9/16_x000D_ Total length(mm): 165-210_x000D_ Blade length(mm): 47-75_x000D_ Blade diameter(mm): 6.4-25_x000D_ Blade size(mm): 6-25_x000D_ Maximum cutting depth(mm): 75_x000D_ Cutting diameter(mm): 6-25_x000D_ Chip length(mm): 50-80_x000D_ Weight: Approx. 623-1146g_x000D_ _x000D_ Package Included:_x000D_ 1 x Drills Set