The Bike-It Heavy Duty Chain Vice is the perfect tool for splitting, assembling and riveting heavy duty chains.Splitting, assembling and riveting heavy duty chainsSimple and extremely robust designPerfect alignment, with accurate and correct installationFits all main chain sizes - 520, 525, 530 and 532The Bike-It Heavy Duty Chain Vice has a simple and extremely robust design that locates securely onto the chain allowing for perfect alignment, enabling accurate and correct installation of drive chains every time.Fits all main chain sizes - 520, 525, 530 and 532.PLEASE NOTE: This tool is only suitable for soft link/ hollow pin type rivet links. Not suitable for hard links/ solid pins.