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I acquired my DMM Revolver Screwgate from Gear Express in 2020.
My DMM Revolver Screwgate is 59 mm. long, 108 mm. wide, 17 mm. high, and weighs 63 g.
The front has "EN 12275," a book icon, and "DMM" forged in raised characters and symbols. The rear has "↔24 ↕ 8," an icon showing an open carabiner, "8 kN," "0120CE," and "EN362-2004/B," all in raised forged letters or symbols.
I don't normally carry pulleys caving, but when I do, I prefer pulleys with larger-diameter sheaves because they don't force such a sharp bend in the rope. This is less important for flexible climbing ropes than it is for stiff caving ropes like PMI Pit Rope.
This version has a traditional screw-lock gate.
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I acquired my DMM Revolver Screwgate from Backcountry Gear in 2023.
My DMM Revolver Kwiklock is 108 mm. long, 59 mm. wide, 17 mm. high, and weighs 70 g.
The front has "EN 12275," a book icon, and "DMM" forged in raised characters and symbols. The rear has "↔24 ↕ 8," an icon showing an open carabiner, "8 kN,""EN362-2004/B," all in raised forged letters or symbols. The spine is printed with "A273 B PAT.CE0598 22210 1815E."
I don't normally carry pulleys caving, but when I do, I prefer pulleys with larger-diameter sheaves because they don't force such a sharp bend in the rope. This is less important for flexible climbing ropes than it is for stiff caving ropes like PMI Pit Rope.
This version has an autolocking twistlock gate. I prefer the traditional screwgate over the obnoxious autolocking gates that have become so popular with people not trained well enough to know when to lock a carabiner. Dirt, mud, sand, and other debris can cause an autolocker to fail to lock, so there is no real advantage to them - the user must manually verify locking in any locking carabiner. The alutolocking mechanism adds cost and weight, making it auto-appealing to the mega-rich folks in the "bigger-is-better" crowd.
[ Top | Screwgate | Kwiklock | Rig Locksafe | Return to Spec. Carabiners ]
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I acquired my DMM Revolver Wiregate from Like to Play in 2020.
This version is 58 mm. long, 102 mm. wide, 12 mm. high, and weighs 52 g.
The front has "Pat.Pend" and "DMM" forged in raised characters and symbols. The rear has "↔24 ↕ 7," an icon showing an open carabiner, "9 kN," "0120CE," and "F," all in raised forged letters or symbols.
This version has a wire gate instead of a traditional screwgate. The result is a lighter device, but one that is not certified to the same standards. I don't particularly like wire-gate carabiners for any situation where security is important. I'm surprised to see that this version has a higher open strength rating than the screwgate version. I expected them to be the same, but in any case, I don't think that it matters.
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I acquired my DMM Revolver Rig Locksafe from La Familia Pawn in 2022.
My DMM Revolver Rig Locksafe is 74 mm. long, 160 mm. wide, 37 mm. high, and weighs 199 g.
The pulley sheave is 24 mm. wide and 36 mm. in diameter with a 19 mm. wide, 6 mm. deep rope groove. A protrusion in the frame below the sheave discourages placing the rope incorrectly. A 2.9 mm. rod running diagonally above the sheave helps keep the rope in place. The gate has an autolocking "safety." There is a 13.6 mm. wide, 15.3 mm. tall eye at the base of the frame.
One side of the forged frame has "DMM" in raised letters near the spine. The spine is printed with "A5871CB·21186 1004 J," "↔ 25↕7@7" (where "@" represents an open carabiner icon),"EN362:2004/T/B," "EN12278:2007," a working load limit illustration for pulley use (2.5 kN per side, 5 kN total), a book-with-an-"i" icon, "Ø 7-13 mm," and "CE0598.
This is a huge roller carabiner compared to the other DMM ones on this page or the Delaman, Edelrid Axioms, and Petzl Rollclips. I think it too large to carry as a backup "just in case" device, and if I know I need a pulley, a standard pulley may be a better option.
The rod that keeps the rope away from the gate must be unscrewed to add or remove the main rope without having access to the end of the rope. Plan on buying and packing a 3 mm. flat blade screwdriver.
I dislike autolocking carabiners. It is easy to develop the habit of always locking a traditional screwgate carabiner. Mixing traditional and autolocking carabiners is an excellent way to lose this habit because autolockers promote carelessness. I particularly hate this one because it operates in reverse of most autolockers: the sleeve must be pushed closed to allow it to open. In the interest of safety, it may be best to just throw all the autolockers away rather than mix and match all sorts of designs that each works differently than some of the others.
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