Blackbird Shot Refill Bags are great light split shots for fly and center pin fishing. These Shot Refill Bags come in a bag with the appropriate quantity for refilling the BlackBird Shot Dispenser. Blackbird Shot Refill Bags are made in Canada by Redwing Tackle, and are preferred by steelhead anglers! Great split shot for fly and center pin fishingAppropriate quantity for refilling Blackbird Shot dispenser Comes in four different sizesSizeWeightBB-40.13 gramsBB-30.15 gramsBB-20.27 gramsBB-10.35 grams