Replacement Aftermarket belt for S79 FELDMANN 35-SR Belt, W/Tecumseh 3 1/2 H.P. Eng. Top Width: 1/2 in Weight: 0.17 Height: 5/16 in Length: 26 in inside, 28 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