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.
Big Nut 2
Description
Everyone’s favorite passive protection in larger sizes. A light, economical way to protect wide cracks with asymmetric taper for greater stability in flaring placements and straight-sided taper makes it easy to judge placement quality.
- NOT CE/UIAA certified
- Hand built, inspected and individually proof tested in Bend, Oregon
Retail price
US$ 25.95
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| Weight (grams / ounces) | 72 g / 2.50 oz |
| Size | 2 full size (full strength) |
| Colors as a Nut Set | Multi |
| Strength (kilonewtons) | 10 kN |
| Color | Yellow |
| Offset | No offset |
| Range (inches / millimeters) | 1.30 in - 1.59 in 33.00 mm - 40.30 mm |
| Material(s) | |
| Certification | |
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A pictoral representation of the UIAA-124 and EN-12270 standards for chocks (which includes nuts and hexes).