WORKPRO Precision Screwdriver Set 10-Piece, Cr-V Steel Small 10pc, Black Blue\nProduct Details\n--ANTI-CORROSION MATERIAL: WORKPRO precision screwdriver sets are made of materials with excellent toughness and stiffness. They are heat treated and have a chrome finish to prevent corrosion and increase durability and strength. No need to worry about leaving your equipment outdoors because our tools are rust-proof\n--PREMIUM CR-V STEEL: WORKPRO precision screwdriver set is made of industrial quality chrome vanadium steel, which is hard and durable. With a black magnetic tip, it effectively prolongs the service life\n--MAGNETIC TOOL SET: It has a magnetized tip to make sure the screw doesn't come off during use. Especially when repairing watches, you don\u2019t have to use your hands to pick up the small screws, just use a screwdriver to attract them, saving a lot of time\n--BUILT-IN MAGNETIZER: Quickly magnetize or demagnetize your screwdriver bits for improved screw-holding and reduced ""