Description: Titanium Coating: Classic HSS construction with titanium coating for capability and durability. The cutting edge is hardened and honed for sharpness and features a chatter-free design with staggered cutting teeth to ensure precise countersinking and clean, smooth holes. Quick Change: A 1/4-inch hex shank fits into all 1/4" hex shank power drills easily and securely and is made for locking into a quick-change chuck. Organized Holder: Each bit has an assigned hole in a drill bit holder with size indexing for easy storage and quick organization. Includes Size: 13 Sizes: 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 11/64", 3/16", 13/64", 7/32", 15/64", 1/4". Suitable: Suitable for wood, carbon steel, sheet steel, fiberboard, rubber, plywood, PVC, plastic etc. Accuracy: 135° split point geometry ensures an accurate start and reduces walking on the working surface. Solid bonding technology eliminates radial runout and improves concentricity. High torque, Impact-rated. Note: Actual product color may vary from the colour you see on your screen. Specification: Type: Hex shank drill bits Size: 12cm, 11.2cm, 11cm, 10.4cm, 10.2cm, 9.8cm, 9.2cm, 9cm, 8.2cm, 7.8cm, 7.5cm, 6.6cm, 6cm Material: HSS + Titanium coating Color: Gold + Silver Item Weight: 165gm Features: High quality High-impact Hex shank Easy to store Durable Sharp and precise 135° split point Quick change chuck Fast and smooth drills Easy to use Package Content: 13x Hex shank drill bits