MulWark Robertson Square Allen Wrench Drill Bits Set 10PC Screwdriver Bit Set, 2.3" Long 1/4" Diameter Quick Release Shank Magnetic Square Drive Bit Set for Assembling Furniture - MLK-53841

• UPC   850030910981
• WELL-EQUIPPED BITS SIZE: The square drive bits set includes 10 hex head Allen wrench bits with square drive, featuring two bits of each size for #0, #1, #2, #3, and #4 INDUSTRIAL GRADE QUALITY: The robertson square screwdriver drill bits are made from S2 steel material in a matt rust-resistant finish with labeled size marks & magnetic tips. One portable rubble strips store in a durable plastic case EXPERIMENT TESTS: The impact allen 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 USAGE VERSATILITY: 1/4 inch quick release hex shank driver bits fit for electric screwdriver, hand screwdriver, electric drills & air drills. Ideal for working on vehicles, bicycles & furniture. Assembling/repairing your furniture in an easy way LIFETIME WARRANTY : Tools are warranted to be free of defects in materials and workmanship for as long as you own the product, you may return this product free of charge with original purchase receipt or choose to get a replacement