The total weight of the nail mechanism in the ICI / Mace Snag Tester is 160+10 grams, including 11 equally spaced needles. This weight is significant because it directly influences the interaction between the fabric sample and the nail mechanism during the snag test. The carefully calibrated weight makes certain that the needles exert the right amount of pressure on the fabric as they move across it, creating snags that closely reflect those that could occur during everyday use.

The inclusion of 11 equally spaced needles ensures that snagging is distributed uniformly over the fabric sample, providing a comprehensive assessment of the fabric’s durability. The combined weight and spacing of the needles replicate real-world snagging conditions, allowing manufacturers to accurately evaluate how their fabrics will perform under normal wear.

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