Description
The DMM 12 mm Steel Offset D Locksafe Carabiner with Captive Bar (C817CB) is a heavy‑duty connector built for demanding climbing, arborist, and rigging work. It locks securely and stays locked until you open it. You use it as a main attachment point, anchor link, or in high‑load systems where strength and reliability matter.
This carabiner uses an offset D shape that pushes load onto the spine — the strongest part of the connector — while giving a large internal basket for gear and rope. That shape boosts strength and makes clipping easier, especially with gloves.
It is cold‑forged from 12 mm steel, so it handles serious loads without bending or deforming. The triple‑action Locksafe gate locks automatically and resists accidental opening. You must complete three distinct actions to unlock it, so it stays closed even during rough movement or vibration.
A captive bar sits across the gate area. That holds your rope or gear in place without letting it float sideways. You get secure positioning and less gear shift under load. The captive bar also helps keep the carabiner centred on your system.
This carabiner has a major axis minimum breaking strength of 45 kN, with 12 kN minor‑axis and open‑gate strength. It meets EN 362:2004 B/T and EN 12275:2013 B/T safety standards, so it performs to recognised European requirements for connectors.
Despite its strength, it stays manageable in size. It measures about 62 × 111 mm with a 17 mm gate opening. At about 248 g, it feels solid in your hand but doesn’t drag you down.
In short, the DMM 12 mm Steel Offset D Locksafe CB combines heavy strength, reliable automatic locking, and a captive bar for secure, dependable attachment in climbing, arborist, and rigging systems.
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