Features: Made of high quality material, durable and practical to use Automatically set the screw to the appropriate depth of the drywall. Designed for use with any electric drill or cordless drill. The depth setting of the drill tip provides the characteristics of the screw tool, the maximum durability of the hardened core in the power rig, impact resistant tool steel and the additional strength and fracture reduction. Easy to install drywall screws. Suitable for gypsum board screw positioning and as a dry wall socket bit, can be used with ordinary electric drills and cordless drills. Specifications: *Name:Screwdriver Bit *Color: As pictures show *Material: Chrome Vanadium Alloy Steel *Bit Type:PH2,double heads * Shank Diameter: Approx 1/4 " *Total Length: 65mm(Approx.) *Quantity:10PCS Package Contents: 10pcs Screwdriver Bit with base 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.