The SCL Tubular Clip is one of a sub-group of fasteners which are used in conjunction with rivets. They can be compared to self-locking nuts for blind assemblies and are used where other fasteners cannot be applied. There are two varieties of SCL: Self-Locking: The tubular clip is inserted into the corresponding hole in the panel. A rivet is the then inserted which causes the clip to open, fixing it into the panel. Removable: the top of the clip flares out exerting pressure on the rivet.