Description: * Brand new and high quality. * Made of high quality material, durable and practical to use * Each Bit is about 25mm long and the bottom diameter is about 6.35mm Specification: Product Name: 33PCS Screwdriver Combination Set Optional Types: Hollow/Solid Material: Chrome Steel vanadium stainless steel Extension shank length: 60mm (approx.) Connector diameter: 6.35mm (approx.) Weight (approx.): empty set 211g, solid set 214g (The specifications of each bit are slightly different, the actual product is subject to receipt) Swivel head type: Hex Is Insulation: Yes Is Magnetic: Yes System: Metric Quantity: 33pcs Package Contents: 3*3-claws, 3*4-claws, 4*1-word open, 10*hole oacute;in plum (T10, T15, T20 , 2 * T25, T27, 2 * T30, T35, T40) 12 * hex punch (2, 2.5, 3, 4, 5, 6, 5/64, 3/32, 7/64, 1/8, 9/ 64.5/32) 1 * hex shank extension. Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.