One Brand New Aftermarket Replacement 42″ Mower Deck Rebuild KitKit Contains:(2) Idler Pulleys(2) Mulching Lawn Mower Blade(2) Spindle Assembly(1) Covered Deck BeltFlat Idler Pulley -Flat Idler w/ FlangesSteelDrive belt and mower deck pulley on for many 12 through 22 HP front engine tractors3.875″ (3 7/8”) OD0.375” (3/8″) IDMulching Lawn Mower Blade -Requires 2 Blades for 42″ DeckLength: 21″Width: 2-1/4″Center Hole: 5 Point StarThickness: .134″Mulching BladeSpindle Assembly -3-Bolt Long5 Point Star Center HoleCovered Deck Belt -Fits 42″ cut w/ double idler pulleysWidth: 1/2″Length: 88-1/4″