Blade Width – 2.50. Thickness – 0.203. Blade Length – 21. Center Hole Size – 5/8. Air Lift – 1. The OregonĀ® 91-308 replacement lawn mower blade is made to the exact OEM specification for optimum performance. Our blades are individually straightened and hardened to provide a consistent, cleaner cut and increase blade longevity. Requires 3 blades for 60 cut. Enhanced mulching for bagging and discharge efficiency. Stays sharp and Standard. Replacement for major brand: Hustler. Fits the Following Models. 1000Z, IS2000Z, IS3100Z, IS4500Z, IS5100Z, PCM4818K, PCM6118K, PCM61200, PCT4818B, PCT6118B, PCW6114K, R61R. 988159, 988169, 992411, 992600, 992605, 992606, 992607, 992611, 994111, 994112, 994113, 994114, 994115, 994117, 994118. 2348, 30, 4217, 4819, 4821, 5221, 5223, 5225, 5227, 6123, 6125, 6127, 6130, 6134, 7230. 926667, 926675, 926741, 926915, 926923, 926931, 926949, 926980, 927038, 927053, 927111, 927178, 927186, 927327, 927558, 927616, 929497, 929513, 929638, 931949, 931956, 932343US, 932350US, Super Z, X1, Z. ZKH61121, ZKH61251, ZMKW61231, ZVHO61242, ZVKH61272, ZVKW61252, ZWKH61243, ZWKH61273, ZWKH61303. EZF2100DKU, EZF2101DKU, EZF5200M, EZF6100M, MZM2200KH, MZM2300KH, MZM2301KH, NZM19480KWV, NZM19481KWV, NZM19482KWV, NZM19483KWV, NZM21520KWV, NZM21521KWV, NZM21522KWV, NZM21523KWV, NZM25523KWV, NZM25611KWV, NZM25612KWV, NZM25613KWV, NZM27611KH, NZM27612KH, NZM27613KH, NZMJ23521KH, NZMJ23522KH, NZMJ23523KH, NZMJ25611KH, NZMJ25612KH, NZMJ25613KH, NZMXL30614KH, NZMXL32734BV, PL8140KVE, PL8180KE, PMA610, PMA8610, PPU140KO, PPU140KVE, PPU140KW, PPU140R, PPU180KE, SPA361, SPA481, SPA521, SPA611, SPLH140KH, SPLH140KW, SPLH140KWE, SPLH150KH, SPLH153KW, SPLH160BV, SPLH170KW. SPLH173KW, SPLH180KHE, SPLH220KHE, ZF2100DKU, ZF2101DKU, ZF2200K, ZF2300GKU, ZF2301GKU, ZF2500K, ZF2500KH, ZF5200M, ZF6100M, ZM2200K, ZM2200KH, ZM2500KH, ZM2501KH, ZM2502KH, ZMT2500KH. Replaces the Following Blades. 522829301, 522936601, 539105711, 539109755, 574481301. 20842, 20842s, 481712, 5020842, 5020842s, 5101755, 5101755BM, 5101755S, 5101755YP, 5103305S, A48304. 79-117, D18036, GDU10232, PC005, PL4207. 522829301, 522936601, 539101733, 539102093, 539105711, 539105714. 602439, 602439X, 602439Y, 793380, 793380X, 793380Y, 794859, 794859X, 794859Y, 795252, 795252X, 795252Y. 17081, 5103305S, 5104045SYP, 7017081, 7073396, 7073396YP, 7075770, 7075770BMA, 7075770BZ, 7075770YP, 75770.