SW Type: A complete SW Type coupling is comprised of two standard L hubs (find under L Type components) & one snap wrap spider (this section) & snap ring (this section).
LC Type: A complete LC Type coupling is comprised of one standard L hub (find under L Type components), one LC Type hub (provides collar attachment), one standard snap wrap center, & one collar with screws. (Compared to SW Type, LC Type provides higher RPM limits.)