Durable ABS construction for outdoor use Built from robust ABS material, this bubble level is designed to withstand outdoor conditions and provide longlasting reliability in diverse environments. Easy to apply and quick to use Effortlessly attach the string level to your bowstring or arrow, enabling fast setup and immediate checks of alignment without complicated procedures. Tuning accuracy for reliable setups Helps you achieve the correct nock position consistently, improving bow tuning and mounting processes with repeatable results. Functional alignment checks for precise shooting Designed to verify both vertical and horizontal positions, ensuring accurate nock and sight alignment for steady, repeatable targeting. Key benefits Durable ABS construction suited for field use and varying weather Simple attachment to bowstring or arrow for faster setup Improves tuning accuracy by delivering consistent nock alignment Verifies vertical and horizontal alignment to support precise aiming Specifications and usage notes Material: ABS Use: Outdoor archery alignment and tuning Attachment: Attaches to bowstring or arrow for quick alignment checks Function: Checks vertical and horizontal alignment, ensuring accurate nock and sight positioning 23 practical use scenarios Precompetition or practice tuning: Attach to the bowstring to quickly verify nock position after string work or equipment installation, reducing setup time and ensuring consistent tuning. Sighting and mounting adjustments: Use during sight or rest installation to confirm vertical and horizontal alignment, helping maintain repeatable accuracy across setups. Field or range scenarios: While practicing or shooting in varying conditions, rely on the level to verify Nock and sight alignment for dependable targeting results.