Quick Summary
The DMM I.M.P. is a blue, size 1 brass climbing nut, model A1721-Blue. The listing gives a weight of 4 g and a strength of 4 kN.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Type and model | DMM I.M.P. brass nut, model A1721-Blue. |
| Size and color | Size 1, blue. Compare the size with the intended placement. |
| Weight | 4 g, as listed. |
| Strength | 4 kN, as listed. This figure alone does not establish suitability for a placement or the safety of a complete climbing system. |
What to Compare Before Buying
- Placement fit: Compare size 1 with the placements for which the nut is intended. The listing does not provide dimensions or a placement range.
- Strength information: Consider the stated 4 kN figure in the context of the intended use and the complete protection system. Do not treat it as a complete safety assessment.
- Exact version: Check that the model and size match the blue A1721-Blue, size 1 variant.
Before You Decide
Confirm the model, size and fit for the intended placement, and follow the manufacturer’s instructions for use. The listed strength value is not a substitute for assessing the complete system.










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