D&D Global 385J13 Micro-V Serpentine Belt - J Section, 13 Ribs, 38.5in HUS The D&D Global 300-S8M-4000 is

The D&D Global 300-S8M-4000 is a synchronous timing belt with S8M-pitch profile

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2/SPB7100 is a banded v-belt used on industrial drives - fans and blowers

D&D Global 385J13 Micro-V Serpentine Belt - J Section, 13 Ribs, 38.5in HUS The D&D Global 300-S8M-4000 isThe D&D Global 385J13 is a Micro V (multi ribbed) belt with Micro V ribbed J section dimensions, manufactured by D&D Global. Micro V belts deliver smooth, quiet operation with high power capacity in a compact cross section, ideal for serpentine and multi accessory drive systems. Constructed with Neoprene body compound and polyester cord tensile members for reliable power transmission and long service life. Specifications Belt Section J Belt Type Micro