SOFT RUBBER STOP GRIPS MONOFILAMENT LINE SECURELY WITHOUT CRIMPING OR CAUSING DAMAGE. IDEAL FOR SLIP FLOATS OR ADJUSTABLE SINKER RIGS. THE SMALL EGG SHAPE DESIGN PERMITS THE STOP TO WIND ONTO REELS AND TO CAST EASILY THROUGH THE ROD GUIDES. 15 STOPS COME ON EACH RING, FOR USE WITH 4-8# LINE.