Brownell TPU Speed Nock System
by Brownell-
• Durable TPU rubber construction
• Installs easily with cotter pin
• Increases arrow speed
• Silences string noise and vibration
• Tightly locks on serving
• Safer alternative to brass nok sets
• Weight is centralized for performance
• Weighs approx. 20 grains each
• 4 per pack
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