If you are looking for a set of efficient and reliable screwdriver, this one is exactly what you are looking for. This screwdriver set is very useful and surely it would save you countless hours. Features: It tightens loose screws rapidly. Equipped with 10 types of screwdriver bits in one screwdriver set. An essential tool for home or office using, which would save you countless hours. Anti-slip and L-shaped handle grip, very practical for horizontal and vertical usage. It was made of high hardness chrome vanadium steel, which is good quality, flexible and strong. Specifications: Material: Chrome vanadium steel Length for screw bit: 25mm/ 1" Handle Diameter: 6.3mm/0.25" Shank Size: 1/4 inch Wrench Length: 105mm/4.13" Wrench Width: 31mm/1.22" Fit fot Handle Diameter: 6.3mm/0.25" Package List: 1 Pcx L-shaped Wrench 10Pcsx Bit