Barton Marine SkyLocks 400. The clever design and positioning of the locking cams mean the control line will never slip even when accidentally released.Manufactured in their factory using 316 stainless steel side plates glass-reinforced nylon cover plates and aluminum cam plates to ensure a long service life with minimal maintenance.Can be used to lift dinghy outboards provisions and equipment on board especially useful when short-handed. Around the home SkyLock can be used for hoisting individual items such as bicycles and toys into unused roof space. Specifications for Barton Marine SkyLock 400: Manufacturer: Barton Marine Fabric/Material: Steel Color: Black Package Contents: Barton Marine SkyLock 400 Barton Marine N09411: SkyLocks 400