SMC SwivelThis rescue swivel ensures flawless rotation during prolonged and difficult raises. The SMC Rescue Swivel is built around a heat treated steel axle and a sealed high efficiency ball bearing to ensure flawless rotation during even prolonged and difficult raises in severe rock, mountain and rescue conditions. The holes are sized to work with rescue carabiners, and allow carabiner lock sleeves to pass without hanging up. As one of the most compact