Industrial-grade Wrist Strap:High safety, strong electrical conductivity can effectively make static electricity flow away. High Quality Material: The screwdriver bits are made of updated S2 metal steel material that the hardness can reach over HRC60, which is harder than the CRV-material and more durable. Hook Design & Portability: Back of with a hook, can hook on the wall or other palces you would like to place.Well organized box is easy for storing bits safely and convenient to carry the precision magnetic screwdriver set anywhere you want. Mutil-Screwdriver Kit: 60 in 1 professional repair tool kit includes 56 specialty bits , long crowbar, short crowbar, screwdriver handle, extension rod, flexible shaft, driver adapter and more useful tools. Magnetic Absorption: Screwdriver shaft handle uses magnetic absorption treatment technology, which can provide magnetism for the specialty bits that will be sucked tightly.