1、High Load Bearing: This double shaft double pulley is suitable for maximum wire rope diameter 13mm/0.5IN, breaking load 25KN, maximum working load 10KN.2、Application: Our pulley is equipped with high efficiency bearings, it is used for mountaineering, rock climbing, cave exploration, canyoning, rescue engineering protection, high altitude games and other sports.3、Aviation Aluminum: The climb swing pulley is made of premium 7075 aviation aluminum material that is durable with long service life.4、Heart Shaped: The climbing pulley adopts a heart shaped design, with a circular arc hanging point above and below, strictly following the mechanical design, which is more stable and safe.5、Portable: This double shaft climbing pulley is safe, lightweight, portable, easy to carry and use. In addition, the double bearings support the pulley to rotate at high speed.