Hi glide support rails are manufactured from structural grade aluminium combining supreme strength with minimal weight rails are supplied in pairs and include end stops and are available in 2m 35kg each 3m 55kg eachand 45m 8kg each lengths you will need at least two rails to be fixed to the ceiling of your studio the fixed rails will support the floating rails which will then support your lighting equipment a joining plate can be used to increase the length of fixed rails or to joi