[Exact Fit for 42inch Mowers]This replacement belt measures 1/2inch in width and 104inch in length, ensuring a for 42inch decks. Compatible with for part numbers GX20072 and GY20570, it's designed to match the exact specifications of the belt for seamless operation. [Broad Compatibility]Designed for a wide range of for models including D100, D105, D110, D120, D125, D130, E100, E110, E120, E130, X105, X106, X126, 100 Series Tractors; also fits for 102, 105, 107S, 115, 125, 135, LA100, LA105, LA110, LA115, LA120, LA125, LA135 models for versatile use. [Extended Range of Fit]This belt also supports additional models such as 1642HS, 1742HS, L100, L105, L107, L108, L110, L111, L118, L130, L1742 Lawn Tractors; compatible with for 108-14.5, 108-17HS, and for 14.542GS, 17.542HS, L17.542 for Lawn Tractors, ensuring wide-ranging applicability. Color: Black Material: Rubber Package Contents: 1 set x lawn mower mecha board strap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.