The Optibelt A81 V-belt is a high-quality, genuine A-profile belt designed for efficient power transmission in various machinery. Featuring a top width of 12.7 mm (1/2 inch) and a height of 7.9 mm (5/16 inch), this belt has an inside length (Li) of 2057.4 mm (81 inches). Its robust construction ensures reliable performance and extended service life in demanding industrial, agricultural, and general mechanical applications. It is engineered for optimal grip and minimal slippage, contributing to consistent operational efficiency. Also known by its pitch length (Lp) of 2090.42 mm (82.3 inches) and outside length (La) of 2108.2 mm (83 inches).