【Replace for Part Numbers】for John Deere GX20433, GX20249, GY20567, M128485. 【Compatible Models】Compatible with John Deere 108-14.5 SABO, 108-17HS, 14.542GS, 1642HS, L100, L105, L107, L108, L110, L111, L118, L17.542, L1742, for Most Sabre with 42 deck, Scotts lawn and garden tractors L1742 and L17.542 (2002) series 42 deck. 【Blade Specs】Length 21 3/8 inches, Width: 2 4/9 inches, Thickness: 0.157 inches, Center Hole: 11/16 inches, Outer Hole 3/8 . 【Package included】2 PCS Blades. Installing the mower blades is a breeze, allowing you to get back to mowing in no time. Just remove the blade mounting bolt, replace the old blade with a new one, and tighten the bolt again. Remember to install with the curved side facing up towards the deck. 【Notice】Please read the compatibility carefully in case of wrong purchase. Each of our blades undergoes strict quality inspection before leaving the factory. Let us know if you encounter problems during purchase and use, and we will provide satisfactory service! Item Weight 4.46 pounds Manufacturer Autsurles Package Dimensions 21.93 x 4.21 x 2.01 inches