DMM Wallis, Grommet, Prest-In & Keeper Configuration Aids DMM Wallis, Grommet, Prest-In and Keeper are specialist configuration aids designed to optimise how your DMM hardware and textiles interact. By improving connector orientation, reducing cross-loading and minimising unwanted movement, these compact polymer components help you build cleaner, safer and more efficient climbing and rigging systems. Each device is injection moulded from high-grade polymer for exceptional resistance to tearing and abrasion, with high friction and excellent holding power. They are simple to install, lightweight and specifically shaped to work seamlessly with key DMM products. DMM Keeper The Keeper is designed to fit on DMM sport climbing vari-width quickdraw slings. It holds the rope-end carabiner in the correct orientation, making clipping easier and more predictable. Keeps rope-end carabiner correctly aligned Improves clipping efficiency and consistency Fits DMM vari-width quickdraw slings DMM Wallis The Wallis is a compact polymer device that helps reduce the risk of cross-loading between webbing and connectors. Quick and simple to install, it is invaluable for maintaining safer, tidier configurations in climbing and work-at-height systems. Reduces potential for cross-loading between webbing and connectors Quick to install, low profile in use Ideal for harness, lanyard and webbing-based setups DMM Grommet The Grommet is precision-shaped to fit snugly into any of the 16 mm attachment holes of the DMM Triple Attachment / Hitch Climber pulleys. It helps maintain connector position, reduces unwanted rotation and supports cleaner, more predictable pulley configurations. Fits 16 mm attachment holes on DMM Triple Attachment / Hitch Climber pulleys Helps keep connectors correctly orientated Improves stability and predictability of pulley systems DMM Prest-In The Prest-In is a polymer insert designed for devices such as the DMM Mini Swivel and Focus. It creates a flexible, friction-based interface between the device and a connector, limiting unplanned movement and optimising how the system sits under load. Fits Mini Swivel, Focus and similar DMM devices Provides a friction interface between connector and device Minimises unwanted movement and improves overall configuration Shared Features Injection moulded from high-grade polymer Extremely resistant to tearing, abrasion and wear High levels of friction and holding power Lightweight, compact and easy to fit Designed to work seamlessly with DMM hardware FAQs Are these configuration aids PPE? No, DMM Wallis, Grommet, Prest-In and Keeper are configuration aids only. They are designed to improve alignment and stability within a system and are not personal protective equipment. Can I use these with non-DMM products? They are optimised for specific DMM pulleys, swivels, connectors and slings. In some cases they may fit other hardware, but they are primarily intended for DMM components. Do they require tools to fit? Most configuration aids can be installed by hand by threading them onto the appropriate sling, connector or device. Always follow DMM’s instructions for correct installation. Why should I use configuration aids? They help keep connectors correctly orientated, reduce cross-loading risks and minimise movement at key connection points, contributing to cleaner and more efficient system setups.
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