Free Shipping. SMC Swivel Spring 2011 DECENT FEATURES of the SMC Swivel High performance gear with smooth action and a beautiful finish and feel Built around a heat-treated steel axle Sealed high efficiency ball-bearing to ensure flawless rotation during severe rock, mountain and rescue conditions. The holes are sized to work with rescue carabiners One of the most compact swivels on the market, it is ideal for confined space rescue and other awkward hauling situations. Smooth and rounded, helping to prevent hanging up on rocks, litters, or other components or structures All SMC NFPA products are third party tested by Underwriters Laboratories - UL as required by NFPA 1983 2006 edition standards. ALL CLIMBING SALES ARE FINAL.