Portable and durable: The Motorcycle Nitrogen Charging Tool is designed to be portable and longlasting. Its shakeproof design ensures accurate measurements of shock air pressure, making it reliable for use in various conditions. ChamberShock Needle Filling Tool: Specifically designed for chamber shock needle filling, this tool utilizes a needle fitting and selfsealing rubber plug pellets commonly found in various shocks. It provides convenient and efficient charging or air pressure testing. Wide application: Suitable for offroad vehicles, ATV, UTV, Dirtbike, ATC, Sandrail, and buggy. This tool is specifically designed for WP shocks with a reservoir. It offers versatility and compatibility with a range of vehicles. Construction: Constructed from 6065 Aluminum Alloy and CNC Machined, this tool ensures durability and reliability. It is built to withstand demanding usage and harsh environments. Use scenarios Field maintenance on dirt bikes, ATVs, or UTVs: quickly fill chamber pressure and test shock nitrogen levels for WP reservoir shocks in the pit or on the trail. Workshop service for WP shocks with reservoir: perform precise nitrogen charging and air pressure testing during routine maintenance or tuning. Offroad buggies and sandrails: reliable readings and quick ups in harsh environments to maintain consistent shock performance.