Teaming up with Rock Exotica, CMC offers more swivel pulleys certified to NFPA standards. New models certified to NFPA standards Combined swivel & pulley reduces system length, allowing more travel Pivoting sideplate allows rope loading without disconnecting from anchor Double-action detent button prevents accidental opening of the sideplate Sheave is mounted on sealed ball bearings for maximum efficiency Rotating swivel aligns rope with the direction of pull Swivel can be secured using rope, web, or carabiners Ergonomic design for anchoring and loading with one hand CNC machined for optimal strength & weight Prusik minding options facilitate progress capture Double sheave pulleys equipped with integrated becket Compatible with rope up to 13 mm (1/2 in) Ideal for rescue, work at height, and tree care Patented, USA Made, time-tested, and proven Technical Specifications SingleDoubleMBS36 kN36 kNMaximum Rope Diameter 13 mm13 mmWeight261 g 415 g Dimensions135 x 63 mm160 x 63 mmSheave MaterialAluminum Aluminum Technical Specifications NFPA G