Sealey static mounted cranes 450900kg sealey ssc900 a 900kg static mounted crane from sealey with unique 360deg locking swivel base for easy rotation mounts easily onto any strong and stable surface including loading bays 4x4s and flatbed trucks and trailers heavy duty chain and hook with safety clip dead mans control release valve allows fine adjustment for safe controlled lowering of load sealey ssc900 static mounted crane 900kg