Overview This charcoal-colored nontoxic Tungsten-based product is biodegradable and reusable making it an environmentally friendly alternative to split shot and other lead based weight. The weight and depth are easily adjustable to make sure that a nymph always finds the bottom. Features:- Tungsten putty weight Non-toxic Non-lead Reusable Charcoal color Can be used as temporary bead head for nymphs How To Use INSTRUCTIONS: 1. Pinch off desired amount from container 2. Apply to leader in the shape of a football at desired location 3. Dip in water to harden 4. Remove or change the size when needed IDEAL USES:- Nymph fishing.