TOOTHED MULCHING BLADE FITS EXMARK 116-5176-SSPECIFICATIONS: LENGTH 18" CENTER HOLE 5/8" WIDTH 3" FITS:ARIENS REQUIRES 3 FOR 52" DECK BOBCAT REQUIRES 2 FOR 36" DECK ; 3 FOR 54" DECK BUNTON REQUIRES 2 FOR 36" DECK ; 3 FOR 52" DECK ENCORE PREMIER PRO AND HYDROPRO SERIES WALK BEHINDS, PRO-LINE RIDERS, PROWLER MID-CUTS, X-TREME AND Z SERIES; REQUIRES 2 FOR 36" DECK ; 3 FOR 52" DECK EXMARK REQUIRES 2 FOR 36" DECK ; 3 FOR 52" DECK GRAVELY REQUIRES 2 FOR 36" DECK ; 3 FOR 52" DECK GREAT DANE REQUIRES 2 FOR 36" DECK ; 3 FOR 52" DECK REPLACES OEM: 273100, 3253800, 3399704, 4916400, 4917900, 3399704, 112111-02, 2722543-02, 32022A, WM132022, 6294, P2005, PL4206, 363046, 363291, 823004, 103-2508, 103-2518, 103-2518-SREPLACES AFTERMARKET:302-818, 13016, 15006, 212-0769, 3231718, 33171, 3374, 396-726, 396-806, 596-344, 6294, 91-623, 92-151, 94-132, 96-726, B1BC1202, B1BC1205, B1BU1300, B1EM1802, B1EM1810, B1EM1860Warning:Lead-Nickel-Cancer and Reproductive Harm