The Klimair is a bi-directional mechanical prusik for use on 1/2" (12.7 mm) ropes. The shell and cam are constructed of aluminum. A stainless steel swivel eye makes for an easy attachment. Can be used for ascending and rigging applications. Assembles with a clevis pin and and a split ring for secure attachment. MBS. 5,000 lbf. (22.2 kN). Weight 4.7 oz. (133 g). Made in the U.S.A.