3PK 6437 Rotary Blade Fits Craftsman 163819, 152443 Watch Grey's Anatomy Season 12 Full Episodes Online Plex. Three New Aftermarket Replacement Rotary Blades (3 Pack) for Craftsman, AYP, Husqvarna, and Poulan 46 Inch Cut Decks This listing includes a set of three (3) aftermarket replacement rotary mower blades designed for 46 inch cut decks on Craftsman, AYP Roper Sears, Husqvarna, and Poulan riding lawn mowers and lawn tractors. Three blades are required per 46 inch deck. Each blade features a 5 point star center hole and is built to meet OEM fit and function requirements. Specifications Quantity: 3 blades per set (one complete 46 inch deck set) Blade Length: 15 1 2 in. Blade Width: 2 1 4 in. Blade Thickness: 0. 160 in. Center Hole: 5 Point Star Deck Size: 46 in. cut Compatible Models Craftsman AYP Roper Sears: 46 inch cut riding mowers and lawn tractors using OEM blade numbers 163819, 152443, or 145708 Husqvarna: 46 inch cut lawn tractors using OEM blade numbers 532152443 or 532163819 Poulan Poulan Pro: 46 inch cut riding mowers using compatible OEM blade numbers listed below Replaces Part Number(s): 145708, 152443, 152443 A, 157033, 163819, 163819 A, 532145708, 532152443, 595 614, 595 614 A, B1EP1031, B1EP1031 A New aftermarket replacement part not remanufactured, not used.