Efficient double pulley for travel along ropes and cables. HTP is the fastest of the carriage pulleys.
 It is specifically designed for lower-angle Tyrolean traverses.
 Stainless steel sheaves for excellent durability. Sheaves mounted on sealed ball bearings for sustained speed, independent of the weight of the person, temperature, or humidity. Maximum allowable speed: 20 m/s. Attachment point accepts up to three carabiners to facilitate use. Sheave mounted on sealed ball bearings for excellent efficiency.