Description: High Quality: Our centre drill is made of high-speed steel drill bit and quenching treatment shell. High hardness, durability, and superior drilling performance, drilling cabinet and door hinge guide holes faster. Excellent Design: The centre drill set features self-centring to reduce bit walking and increase precision and efficiency when drilling. Double-sided hole design fast and automatic discharge sawdust from the hole on both sides, without drill block. Package Includes 8 different Hinge drills sizes, 5/64'', 7/64'', 9/64'', 11/64'', 13/64'', 5mm, 1/4", with a hex key, change bits fast which one-handed load and release. It can be adjusted appropriately according to the hardness of the wood. Widely Used: High-quality steel self-centring drill bits applicative for furniture, kitchens, woodworking, window doors, etc. Different hardness wood needs different centring drills, you just need to take the screw apart and replace the drill. Note: Actual product color may vary from the colour you see on your screen. Specification: Type: 3 LED handheld magnifier Size: 9cm, 9cm, 9.8cm, 9.8cm, 10.6cm, 10.6cm, 11.2cm Material: High-speed steel Color: Silver Item Weight: 265gm Features: High quality High hardness Wear resistant Easy to use Double-sided hole design Durable Precise positioning Excellent design Multipurpose Superior performance Wide application Package Content: 1x Hex key 7x Self-centering drill bit