Details:* Hex socket adapters, perfect for screwdriver handle or electric screwdriver drive sleeve* Useful for quickly driving nuts, bolts and fasteners, etc* Material: CR-V chrome vanadium steel* Color: as pictures show* Weight: 170g* Dimension(Approx.):1/4*1/4*50mm - 1/4" shank can be converted to 6.35mm3/8*1/4*50mm square head - 1/4" shank can be converted to 9.53mm1/2*1/4*50mm square head - 1/4" shank can be converted to 12.7mm1/4*1/4*65mm square head - 1/4" shank can be converted to 6.35mm3/8*1/4*65mm square head - 1/4" shank can be converted to 9.53mm1/2*1/4*72mm square head - 1/4" shank can be converted to 12.7mm1/4*1/4*25mm square head - 1/4" shank can be converted to 6.35mm1/4*1/4*30mm square head - 1/4" shank can be converted to 6.35mm square headPackage Contents:8*hex socket bitsNote: The actual colors 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.