8MPGT Belts are the higest quality belts offered. The Durable construction resists chemicals, oil, and abrasion. Nylon tooth facing reduces friction and eliminates the need for lubrication. High Strength Kevlar & Carbon tensile cord combines minimal stretch with extraordinary strength and load carrying capacity, while absorbing shock & surge loads. Compatible with HTD MTD & PolyChain Pulleys. Fabric covered teeth (color may vary) for minimal tooth wear and noise reduction. Smooth top surface to allow the use of flat idler tensioner.