supply of rail wear gauge for 60kg rail and 52kg , rail wear gauge for 60kg rail and 52kg rail. rail wear gauge multi section portable for measu ring head wear (vertical) and side wear(horizontal). the gauge is made of metal and gives direct reading. specifications of the gauge are measuring least count : 1.0 mm, measuring range : 0 to 20 mm (gauge fa ce and vertical wear), accuracy : 1.0 mm, carrying case : padded cordura case, rail sections measurable : 60 kg. & 52 kg. (in one gauge), gauge material : aluminum and stainless steel only. make: paragon inst rumentation engineers or similar. [ warranty period: 30 months after the date of delivery ] ]