K Kwokker 20 x Allen Key Bit Set Hex Wrench Magnetic Screwdrivers 2.3" Long 1/4" Diameter Quick Release Extension Bit Holder Set for Assembling Furniture (10pc Metric & 10pc SAE

20PCS Allen Key Set: 20 Piece 1/4 inch hex shank hex driver/ allen drill precise bits in the following multi size: 10 x SAE of 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16" and 10 x Metric of 1.5 mm, 2 mm, 2.5 mm, 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm. Use different sizes to screw, will damage screwdriver and the screw! Using the correct screwdriver bar, pay the less effort, and can easily unscrew the screws! Perfect Performance: The bits have experienced torsion and hardness test. The results of tests show that the maximum torsion force of bits are 180-200N and the hardness of bits are 57-59HRC. The high torsion and proper hardness avoid the bits break and wear. 1/4 inch hex shank: Allen head drill bit has the 1/4 inch quick release hex shank. The hex head screwdriver bit set is magnetic, which helps to keep nuts and bolts stuck to them. They pop right into impact drivers, and once they have been inserted into the impact driver, they will not fall out. High Quality: The hex drill bits are made from S2 steel material in a shiny rust-resistant finish with labeled size marks & magnetic tips. Package includes two portable rubble strips: One packs bits in SAE, another packs bits in Metric. Exquisite workmanship, each edge can be accurately locked screws, no damage to the screw, and the screwdriver head. Wide Applicatio: 1/4 inch quick release hex shank driver bits fit for electric screwdrivers, and screwdrivers, electric drills, air drills and so forth, used in engineering, machinery, maintenance of household appliances and other production lines.Ideal for working on vehicles, bicycles & furniture. Assembling/ repairing your furniture in an easy way., Manufacturer: K Kwokker