3-inch: Rubber outer diameter: 76mm 1% Rubber inside diameter :48mm 1% High bubble outer iameter :69mm 1% High bubble inside diameter :54mm 1% 4-inch: Rubber outer diameter: 99mm 1% Rubber inside diameter :67mm 1% High bubble outer iameter :92mm 1% High bubble inside diameter :74mm 1% 5-inch: Rubber outer diameter: 127mm 1% Rubber inside diameter :84mm 1% High bubble outer iameter :114mm 1% High bubble inside diameter :94mm 1% 6.5-inch: Rubber outer diameter: 156mm 1% Rubber inside diameter :104mm 1% High bubble outer iameter :142mm 1% High bubble inside diameter :115mm 1% 8-inch: Rubber outer diameter 195mm 1% Rubber inside diameter 137mm 1% High bubble outer diameter 178mm 1% High bubble inside diameter 148mm 1% 10-inch: Rubber outer diameter 245mm 1% Rubber inside diameter 180mm 1% High bubble outer diameter 226mm 1% High bubble inside diameter 196mm 1% 12C?INCH: Rubber edge out diameter: 295mm 1% Rubber edge Secondary diameter: 269mm 1% Rubber side inner diameter: 218mm 1% Rubber edge Secondary inner diameter: 232mm 1%