Spro Heavy Duty Wind-On Bullet Swivels Once only available for commercial use, these tiny, heavy duty swivels provide tremendous strength and durability that can only be found from SPRO. There isn’t another swivel out there that can match the size and strength of a SPRO Heavy Swivel. Whether you’re after big mako sharks or a monster tuna, SPRO Heavy Swivels are up to the challenge. Available in 5pk
