Replacement Aftermarket belt for 7540338 YARD-MAN 311-385 Belt for Drive Top Width: 1/2 in Weight: 0.47 Height: 5/16 in Length: 75 in inside, 77 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