4F Series Product Features: 1. aluminum pedals, direct-acting design, stable and reliable; 2. commutation keep longer, optional with lock type; 3. reliable locking mechanism to unlock lightweight quickly, but by the structure size limitations, can not withstand frequent strong impact. 4. Optional use of high-strength plastic protective cover. Automation Technology Co., Ltd., Shenzhen and trustworthy (AirTAC a proxy) product supply: Original Taiwan AirTAC Germany polite moving parts, range, price, quality, even national security (one year), leave a compensable hundred, welcome customers inquire order.