Comparison : Item # AA49, AA Section Double Classical V-Belts (1/2-inch Wide, 13/32-inch Thick)
Item # AA51, AA Section Double Classical V-Belts (1/2-inch Wide, 13/32-inch Thick)
Item # AA55, AA Section Double Classical V-Belts (1/2-inch Wide, 13/32-inch Thick)
Item # AA58, AA Section Double Classical V-Belts (1/2-inch Wide, 13/32-inch Thick)
Item # AA60, AA Section Double Classical V-Belts (1/2-inch Wide, 13/32-inch Thick)