Arbor Shim Polyester Thickness 0.003 In Thickness 0.076mm Thickness Tolerance +/-0.00015 In Inside Dia 1 1/8 In ID Tolerance +0.015 In Outside Dia 1 5/8 In OD Tolerance +/-0.005 In Temperature Range -90 to 300 F Green Tensile Strength 30 000 PSI Rockwell Hardness Not Rated Meets MS LP-377 Package 10