Arbor Shim Polyester Thickness 0.001 In Thickness 0.025mm Thickness Tolerance +/-0.00005 In Inside Dia 1 3/8 In ID Tolerance +0.015 In Outside Dia 1 7/8 In OD Tolerance +/-0.005 In Temperature Range -90 to 300 F Amber Tensile Strength 30 000 PSI Rockwell Hardness Not Rated Meets MS LP-377 Package 10