For the slim and grim. Use Ball Nuts in cracks too thin for standard protection like camming units and nuts. Expansion range ratio of 2:1 in each of five sizes. Suitable for cracks ranging from 3 to 18 mm. Sold individually.Features:Thin crack protection5 sizes to fit cracks ranging from 3 to 18 mmExpansion range ration of 2:1 in each of five sizesAll rated to withstand 8 kN fallColor coded for easy identificationWeight: 29 to 73 gSold individually
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