Comparison : Item # BB43, BB Section Double Classical V-Belts (21/32-inch Wide, 17/32-inch Thick)
Item # BB45, BB Section Double Classical V-Belts (21/32-inch Wide, 17/32-inch Thick)
Item # BB50, BB Section Double Classical V-Belts (21/32-inch Wide, 17/32-inch Thick)
Item # BB51, BB Section Double Classical V-Belts (21/32-inch Wide, 17/32-inch Thick)
Item # BB54, BB Section Double Classical V-Belts (21/32-inch Wide, 17/32-inch Thick)