SLR 100 Series 2" to 5" Deflection SLR Single and Multiple Spring Welded restrained mounts. Category: Mounts Description Description SLR Single and Multiple Spring Welded restrained mounts. Related products SLR-MT FS Mount (1″ and 2″ Deflection) SLR (1″ Deflection) SLF (1″ Deflection)