Description:1.Great replacement for your broken one with this knob.2.Screw on type design for easy install and with surface nice finish for comfortable grip.3.Widely used for lathe machine, mechanical equipment, instrument and apparatus,industry equipment. Specification:Product Name:Revolving HandleMain Material: 45# SteelSurface Finishing:Polished ChromeMain Color: Silver ToneTotal Height: 98mm / 3.9"Head Dia: 23mm / 0.91"Thread Size: M10 x 12mm (D*L) Package Content: 1pcs x Revolving Handle Knob.