Specification : 3 mm , 4 mm , 5 mm . Adjustable Range : 15-160 mm/0.59-6.3 in. Material : Industrial grade quality, made of excellent high quality carbon steel, strong and durable.our adjustable face spanner are made of quality steel material, sturdy and durable, not easy to corrode, rust, deform and break, can serve you for a long time. Design : The wavy grip fits into the palm of your hand, comfortable for you to handle, the spacing between the two handles is optional so can make it possible to use with any type of grinder. Using : Mainly used for the replacement of cutting pieces of angular mill and the disassembly and assembly of round nuts with holes.Adjustable face spanners suitable for removing parts from appliances and other equipment in daily life and work. Specifications: Material:high quality carbon steel Surface Treatment : Electrophoresis ,not easy to rust. Style:Nut Wrench Color:Black Length :160 mm/6.3 in Adjustable Range:15-160 mm/0.59-6.3 in Application:Use on backing pad and angle grinder