41 mm, Minimum Operating Temperature -40 Degrees F, Maximum Operating Temperature 230 Degrees F, Pad Color Black, Durometer 50A, Pad Type Flat, Pad Material Chloroprene, Series F15, Number of Pieces 10, Outside Diameter 5/8 in, Weight 0.92 mm, Pad Height 10.Vacuum Pad, Pad Diameter 10.