The Sentinel is compact and lightweight but has a large internal volume and long top bar that allow multiple knots or thick sling attachments. Its HMS shape resists cross loading by driving loads toward the spine and sits naturally in the hand.
Belay carabiners give smooth and confident belaying with tube and assisted braking belay devices. They have full section top bars for consistent rope control and reduced rope wear. Their shape resists flipping into sub-optimal orientations when belaying, acting to ensure the carabiner loads along its strongest axis.
HMS carabiners have extended top bars to accommodate multiple attachments like slings and knots. Their top bars are curved, allowing attachments to self-centre and encouraging optimal loading. HMS carabiners tend to be large, for better compatibility with thick ropes and while wearing gloves. This carabiner's nose slots into a groove in the gate, allowing it to achieve full strength without a gate notch. This creates a clean internal profile that won't catch on gear, bolts or slings, giving easier clipping and removal from systems.
The gate opening is the distance between the nose of a carabiner and the gate when it is fully opened. Larger gate openings make a carabiner easier to use while wearing gloves, and with thick ropes and slings. Internal volume refers to the area inside a carabiner, and large internal volumes mean easier attachment and removal of multiple devices, knots and slings. I-Beam construction techniques allow carabiners to be lighter without compromising strength. This is achieved through hot forging, a process which allows metal to be made into complex shapes that improve functionality.
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Lightweight
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Compact
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Large Gate Opening
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HSM style to accommodate multiple sling and knots
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Strong I-Beam Construction
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Hot Forged
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Self-centring to encouraging optimal loading