Teflon Bush, Specification :Rockwell Hardness -M 90/R-120 M Or R Scale,Density 0.0412 Lbs/M 3.Tensile Strength At The Rate Yield-12000Psi,Water Absorption At The Rate 24 Hrs-1 2 %,Id-26 Mm,Od-35 Mm ,Height-25Mm. [ Warranty Period: 30 Months After The Date Of Delivery ] ]