The Optibelt XPA957XEP Super XE-POWER V-belt is a high-performance, narrow profile, raw edge, cogged belt designed for superior power transmission. With an effective length (Ld/Lw) of 985 mm, an internal length (Li) of 957 mm, and an external length (La) of 1000 mm, it features a top width of 12.7 mm and a height of 10 mm. Constructed from durable rubber with polyester cords, this V-belt offers excellent resistance to oil and heat, antistatic properties, and low-stretch characteristics, ensuring reliable and efficient operation in demanding applications.