8MM 5/16" CATAPULT / AMMO CARBON STEEL BALL BEARINGS CHOOSE QUANTITY FAST POST
8MM 5/16"CATAPULT / SLINGSHOT AMMO. PERFECT FOR CATAPULT OR SLINGSHOT AMMO. AS BALLS ARE FOR CATAPULT AMMO THESE ARE APPROXIMATE SIZING AND NOT PRECISION BALLS. 8MM 5/16" CARBON STEEL BALL BEARINGS. CARBON STEEL BALL BEARINGS.