Description Pro-Link Strut Hardware Kit – Small Our Pro-Link Small replacement strut hardware kit fits our small series main struts. This kit includes the shoulder bolts, spring bolts and spring spacers. Since we produce three sizes of shoulder bolts, we suggest you measure your bolt dimesions to assure you are ordering the correct replacments. Specs: .125 Dia .600 Length Fits the following Strut Series: PL-11000 PL-11340 PL-21000 PL-21500 PL-41200 PL-41220 Applications: Boomerang Intro Boomerang Nano Boomerang Sprint Nitro Planes Falcon 120/Tornado BVM Bandit / Bobcat BVM Electra