PERFECT FOR ELECTRONICS With these 45 screwdriver bits, you'll be ready to repair smartphones, tablets, computers, video game consoles and more. QUALITY MAGNETIC CRAFTSMANSHIP - All bits are individually marked on both the neck and the rubber backing.45 Magnetized bits are chrome vanadium alloy steels - an ultra durable material that can stand the test of thetime. ROTATING HANDLE - The tail cap can rotate freely, so that you remove small devices more stable. Non-slip handle fits your hand. The handle is comfortable and non-slip. FLEXIBLE BAR AND EXTENSION BAR - We offer a flexible and extendable 128MM shaft and a 109MM extension bar, access areas where a normally straight screwdriver cannot. PORTABLE & NEAT-6.33*4.3.1.18 inch. small hard case for secure storage and easy accessibility to hitch and nut mounting accessories.