Note: The colour of the article may well vary slightly because of images and your own pc Feature:Adjustable thread design for office or household mild responsibility furniture with threaded sockets furniture to be moved with out allowing undesirable mobility to put in of it and adjustable top as your require antislip cushion backside 50xM8x50Specification:Material:Nylon and MetalColor:BlackChassis diameter: 50MMThread diameter: M8Screw length: about 53mmScrew Type: FixedApplications: mechanical device tools, furniture, etc:50 x 82mm/1 x 3"(Dia x H) 50xM10x50Specification:Material:Nylon and MetalColor:BlackChassis diameter: 50MMThread diameter: M10Screw length: about 53mmScrew Type: FixedApplications: machine tools, furniture, etc:50 x 85mm/1 x 3"(Dia x H) 50xM12x50Specification:Material:Nylon and MetalColor:BlackChassis diameter: 50MMThread diameter: M12Screw length: about 50mmScrew Type: FixedApplications: machine tools, furniture, etc:50 x 81mm/1 x 3"(Dia x H) Package Include:4Pcs x Adjustable Lathe Leg Furniture Leveling Feet