EXTENDED FastClip??? Slide Clip??? (FCEC) 68mils (14ga) deflection clips (8" clip is available in 14ga & 12ga) are used to attach exterior curtain wall studs to the building structure and provide for vertical building movement independent of the cold-formed steel framing. The clips are available in standard lengths of 6", 8???, 10??? and 12??? and are ideal for medium to larger standoff conditions. EXTENDED FastClip??? deflection clips install quickly with screws, welds or powder-actuated fasteners, and provide adjustable standoff to ensure a plumb wall plane. FastClip??? Deflection Screws are provided with each clip to ensure friction-free sliding.