The OPTIBELT Standard and metric size v-belts for versatility in many industrial power transmission applications. Optibelt’s superior construction and manufacturing processes make the SK the preferred choice for companies looking for superior performance and lower maintenance costs over standard v-belts. The SK also features Optibelt's Set-Constant length tolerances that are far closer than any matched set, regardless of the date manufactured.

S=C Plus
Increased Life
Anti-Static