The SMC JR (Jigger Rescue) and JRB (JR with becket) double prusik - minding pulleys are engineered to be small, light, and budget - friendly. They're a must - have in every rescue technician's toolkit. With a minimalist design, these pulleys offer amazing versatility. Pair a JR with a JRB pulley, and you'll get a lightweight mechanical advantage system that can handle various rescue tasks, from tilting litters to piggy - back setups. Despite their small size, the JR and JRB Double Pulleys can manage full - sized workloads. They work great with the well - loved SMC Aluminum Locking D Carabiner. The bell - shaped top hole allows the carabiner to rotate freely. Two light nylon sheaves combined with a stainless - steel rivet axle ensure reliable performance at a reasonable price. Easy to carry and use, this double pulley won't weigh you down or empty your wallet. It's designed for ropes up to 9mm in size. Features and benefits include: UIAA certification, being stronger than most similar - sized pulleys on the market, suitability for 2 - to - 1 C or 3 - to - 1 Z Drag systems, a compact size that fits in a pocket or backpack for quick emergency access, a wide base that works well with Prusik cords up to 8mm, rounded and rotatable side plates for easy and secure placement, the use of a durable lightweight nylon bushing for reliability, and it's made in the USA.
Using your Blue SMC Junior Double Pulley is a breeze. First, you can pair a JR pulley with a JRB pulley to create a mechanical advantage system for different rescue jobs. When using it with a rope, make sure the rope size is up to 9mm. You can also attach it to the SMC Aluminum Locking D Carabiner through the bell - shaped top hole, which allows the carabiner to rotate freely. For emergency use, keep it in your pocket or backpack as it's small enough to fit. When setting it up, the rounded and rotatable side plates make it easy to place securely. As for Prusik cords, it works efficiently with cords up to 8mm. Some important notes: This pulley is UIAA certified, but always check for any signs of wear and tear before each use. Don't use it with ropes larger than 9mm as it may affect its performance. For maintenance, keep it clean and dry. If it gets dirty, you can gently wipe it with a soft cloth. Since it has a nylon bushing, avoid exposing it to harsh chemicals. And remember, it's made in the USA, so you can trust its quality for your rescue operations.
