C.JET TOOL Shock absorption screw removal drill handle set. Country of origin: Taiwan. Material: Handle: PP + TPV (2 colors). Blade: Chromium vanadium alloy steel (CR-V). Pouch: Polyester Various tool names Flat head Pocket crowbar Unscrew bit (small) Unscrew bit (large) Nail pulling Shock absorption handle 1/4 inch bit adapter Replaceable type can be easily tightened -Push the black spring collar on the bit adapter to unlock it before replacing the bit. -1/4 inch (6.35 mm) hex bits and power bits can be used. -Insert and fix the bit and power bit. -Caution: When using the blow with the handle, use the blade included with this product. Do not use with a bit adapter as it may damage the product. Safety Precautions -When using this product, please wear appropriate clothing and protective equipment, and be careful to prevent accidents. -When replacing the blade or bit, insert and secure it so that it will not fall off. -Wear full protection when using a blow with the handle. -When using a blow with the handle, use the blade that comes with this product. Do not use a blow with a bit adapter or other product as it may damage the product. -Be sure to wipe it clean after use to prevent rust and damage.