Original Equipment Mulching Blade for 30 in. Single-Blade Lawn Tractors, Replaces OE# 942-04385, 742-04385. Fits Troy-Bilt Lawn Tractors with 30 in. cutting decks. Contents include one blade with a 6-point star center hole pattern. Troy-Bilt Genuine Parts blades are heat dipped for strength and flexibility, with the blade edge milled from a single coil to ensure a smooth, even cut. The length, lift and cutting edge are precisely designed to provide the best performance. When you choose Troy-Bilt Genuine Parts, you can be confident knowing you're choosing the best parts for your equipment.