Set of 8 1/2 3/8 1/4 Socket Bit Adapter Handle Bits Extension Bar Rod Set

Description: Prevents During High Speed Drill Operation. Durable and practical high quality smooth Suitable for a screwdriver handle or electric screwdriver sleeve to use. After install the size can be converted to square head size. Used in home DIY carpentry auto parts machine repair and so on. Specification: Material: Metal Size Chart: 1/4 * 1/4 * 50mm Length: 1/4 can be converted to 6.35mm square head 3/8 * 1/4 * 50mm Length: 1/4 can be converted to 9.53mm square head 1/2 * 1/4 * 50mm Length: 1/4 can be converted to 12.7mm square head 1/4 * 1/4 * 65mm Length: 1/4 can be converted to 6.35mm square head 3/8 * 1/4 * 65mm Length: 1/4 can be converted to 9.53mm square head 1/2 * 1/4 * 73mm Length: 1/4 can be converted to 12.7mm square head 1/4 * 1/4 * 25mm Length: 1/4 can be converted to 6.35mm square head 1/4 * 1/4 * 30mm Length: 1/4 can be converted to 6.35mm square head Package Includes: 8 Pieces/set Socket Bit Adapter