Features: Telescopic screwdriver set contains adjustable screwdriver rod 8pcs magnetic bits in different sizes to fit most electrical needs. Special design of the hole in the tail inserted with the rod, converting into a T-type screwdriver to solve the stubborn screws. Easy access removable adjustable rod length can be adjusted according to different needs with more comfortable and effortless operation. Made of CRV 45# with quenching forging, it's hardness can reach to HRC42-48, guarantee for long time use. Perfect for appliance repair, electrical work, machinery, automobile, motorcycle repair, home appliances, machines maintenance, etc.