Product Feature: Durable material: these drill bit socket adapters are made of aluminum alloy, feature nice durability, lightweight, sturdy, which ensures their longevity. Thoughtful design: the cupped design of hex shank keychain extension bars are designed for your easy holding and convenient replacing another drill bit, which can offer you a pleasant using experience. Adequate quantity: you will receive 6 pieces 1/4 inch hex shank keychain extension bars in 6 different colors, red, yellow, blue, green, silver and black, and a metal buckle, sufficient quantity to meet your daily use. Safe to use: their smooth finish and removable bushings can well avoid hex shank keychain extension bars from unexpectedly falling, ensuring the safety of high-altitude operation. Extensive Application: these hex shank keychains are a suitable extension of most screwdriver bits; The universal 1/4-inch fast hex shank and 1/4-inch hex socket are compatible with a variety of electric screwdrivers, hand-held screwdrivers and drill bits. Product Specification: Type: Keychain Screwdriver Bits Material: Aluminum Alloy Size: 1/4 inch hex shank Color: 6 (red, yellow, blue, green, silver and black) Quantity: 6x keychain extension bars +1 x Metal buckles Application: For most screwdriver bits Package Included: 6 x Hex shank keychain extension bars 1 x Metal buckles