material: 45# steel

hardness: 45-50 degrees

2 inch length: 125mm 6*60mm

3 inch length: 155mm 5*50mm

4 inch length: 190mm 3*45mm

purposes: supporting tools, vehicle tools, gifts and other products

knife rod surface treatment: chrome

All plastic new material

screwdriver is a rotating screws to force the tools in place to twist, usually with a thin wedge head, the screw head can be inserted into the slot or recess of Beijing Tianjin Hebei Jinyu and Shaanxi dialect called "screwdriver", Anhui, and Hubei, known as the "driver", the Midwest known as "the knife", the Yangtze River Delta region known as the "screwdriver". The main word (minus) and cross (plus two). Common six angle screwdriver, including the six corners and the outer corner of the two kinds of six.

usage:
end of the screwdriver has specialized shape alignment top pit, screw fixed, then rotate the handle. According to the
specifications, clockwise rotation for the compact block; counterclockwise rotation is loose. (rarely opposite)
word screwdriver can be used in cross screw. But the cross screws have a strong ability to resist deformation.
maintenance measures:
(1) screwdriver blade must be properly grinding blade on both sides to try to parallel. If the blade is tapered, when turning the screw knife, blade is easy to slip out of the screw slot.
(2) screwdriver head do not wear too thin, or to his party except Tong Ming shape.
(3) on the grinding wheel grinding screwdriver should be particularly cautious, it will be because of overheating, the screwdriver and soft edge. When grinding, wear goggles.

Tel: 0579-85198946

address: Yiwu International Trade City two district 41 West Gate 2 Building 2 street G2-14846B