MATERIAL:Socket wrench made of chrome vanadium alloy steel, chrome plated with fully polished surface.Which has the anti-rust and anti-corrosion characteristics. APPLICABLE TO MODELS:Works with screws to V-ribs, 4 point, 5 point, 6 point, 8 point, 12 point, Torx, square. Metric:8mm;10mm;11mm;13mm;14mm;16mm;17mm;19mm. 360 DEGREE ROTATING: 360 degree fast rotating heads, just click between different sizes or rotate the wrench, you'll instantly have the tool you need for the job. COMFORTABLE HANDLE: The adjustable wrench has a non-slip grip that provides easier handling and helps increase efficiency work.Easy to carry and store. WIDELY USED:Can be used for manual electric screwdrivers, screwdrivers, drills, air tools, etc. Ideal for auto repair, electrical maintenance, home emergency repair and furniture assembly. Product Description Specification: Length:25cm Weight:500g Material:Chrome vanadium steel Surface treatment:Polished and chrome plated Model of Metric socket:8,10,11,13,14,16,17,19 mm. Inch socket model:5/16", 3/8", 7/16", 1/ 2", 9/16", 5/8", 11/16", 3/4". Tooth profile: square, pentagon, hexagon, octagon, duodecagon, knurled (metric/inch) . Package List: 1 * 48-in-1 Universal Wrench Properties: 1.Designed with a head 360 degree rotatable that quickly changes to the size you need. 2.The handle is the perfect size to hold your hand firmly without slipping. 3.It can be used for general tools such as electric screwdrivers, hand screwdrivers and drills.