DMM WALLNUT Stopper Sets

The legendary passive protection that's been saving trad climbers for decades.

DMM Wallnut Stopper Sets are the gold standard in passive protection, trusted by trad climbers worldwide for their bomber placements, lightweight design, and exceptional value. With DMM's legendary British engineering and decades of proven performance, these classic tapered nuts deliver the reliable protection you need for everything from your first trad leads to committing alpine routes—because when it comes to passive pro, you can't beat the classics.

• Classic taper design – Time-tested shape seats securely in parallel and flaring cracks
• Anodized aluminum construction – Lightweight yet strong enough for critical placements
• Color-coded by size – Easy identification on your rack for quick placement selection
• Swaged cable – Durable, flexible cable won't kink or break under repeated use
• Wide size range – Complete sets cover everything from thin seams to hand-sized placements
• Excellent value – Build a complete trad rack without breaking the bank
• Versatile placements – Works in parallel cracks, constrictions, and pockets
• DMM quality – British engineering and manufacturing excellence since 1981

Whether you're building your first trad rack, replacing worn nuts, or adding to your alpine kit, DMM Wallnut Stopper Sets deliver the bomber passive protection that's been the foundation of trad climbing for generations. Trusted by climbers worldwide for their reliable performance, lightweight design, and the confidence that comes from placing gear that's been proven on everything from gritstone edges to Yosemite big walls.