Features Easy to use, it can meet the needs of different sizes of cobalt drilling. High strength and hardness, resistant to aging. With metal housing for easy carrying, very portable. Screwdrivers are ideal for removing damaged or damaged bolts, screws, fittings, etc. For manual removal of hex bolts, studs and internal hex screws in machines and equipment. Function: 1. It is easy to use and can meet the needs of different sizes of cobalt drills. 2. High strength and hardness, resistant to aging. 3. With metal case for easy carrying, very portable. 4. Screwdrivers are ideal for removing damaged or damaged bolts, screws, fittings, etc. 5. For manual removal of hex bolts, studs and internal hex screws in machines and equipment. Specification: Item Type:Screwdriver Drill Size: 5/64in 7/64in 5/32in 1/4in 19/64in Screwdriver: #1 #2 #3 #4 # 5 .we-text table td,.we-text table th,;.we-text table, Package List: 5 x drill bits 5 x screw extractor Note: When using , choose a drill with the appropriate specifications, drill a small hole in the middle of the cross section of the bolt, then insert the trigger into the small hole, then use the tap wrench or adjustable wrench on the square end of the trigger and turn counterclockwise to remove the bolts damaged in the machine and equipment. Package List 5 x Drill Bit 5 x Screw Extractor