The UIAA equipment standard provides a baseline for equipment performance in a test lab under controlled conditions on new equipment. Although these test conditions are relevant to the conditions encountered climbing, conditions encountered at the crags and the condition of the equipment are equally important. This recommendation from the UIAA member federation The British Mountaineering Council (BMC) provides vital equipment information that is NOT explicitly addressed in the standard, particularly failure modes of the equipment and recommendations for the use, inspection, maintenance, and retirement of equipment.
Shadow HMS Screw
Description
A large, yet lightweight, HMS carabiner with a short gate to maximise gate opening. The deep and wide top basket can take three clove hitches (<9.5mm rope).
Retail price
US$ 17.95
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Weight (g) |
70 g |
| Shape |
Pear / HMS |
| Locking |
Screw |
| Straight or Bent |
Straight |
| Full Size |
Yes |
| Keylock |
Yes |
| Solid or Wire |
Solid |
| Gate Opening |
22 mm |
| Number of Colors |
6 |
| Lock Indicator |
No |
| Strengths (kN) |  26 kN  7 kN  9 kN |
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How to use DMM Locking Carabiners, Maintenance and Servicing, warnings and lifespan with instructional pictures.
A pictoral representation of UIAA-121 and EN-12275 standards for connectors (the UIAA's fancy word for carabiners).