Urethane Spider Insert, Size - Jaw Couplings L090/L095, Material - Spiders Urethane, Rated Torque 216 in-lb, 9,000 RPM Max. RPM, 0.35 with AL/SS/L090 hubs; 0.47 with AL/SS/L095 hubs HP Rating @ 100 RPM, Temp. Range -30 Degrees to 160 Degrees F, Max. Bore (In.) 1.000/1.125, Blue Color, Length (In.) 2.1 in, Width (In.) 2.1 in, Height (In.) 0.44 in