Replacement Aftermarket belt for 2370 DURITE MTH3 Belt, W/37" Belt O.C. Top Width: 1/2 in Weight: 0.23 Height: 5/16 in Length: 35 in inside, 37 in Outside Material: Dry wrapped aramid cord Recommended use: Higher horse power uses and are designed to increase strength and stability and are also designed to have a smoother grip. The material helps resist humidity, high temperatures, oil and cracking