IMP Brass Nuts

IMP's let you take advantage of the smallest and most marginal placements. Nut heads are made of brass, allowing them to bite into small placements but making them strong enough to resist pulling through. These are soldered directly on to wires, allowing a thicker wire to be used and increasing the strength of the IMP. The swage on the wire is colour coded for quick size selection, and allows one side of the wire to slide, letting the IMP self equalize when loaded and increasing placement security.IMP's are invaluable for those pushing into harder grades and need to take advantage of all protection options.

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As climbs become harder, the need to make the most of all available protection increases. Micro protection lets you protect cracks which normal sized pieces would not fit. Having these wires on your rack gives you more options.
Product NameProduct CodeColourStrengthWeightRangeConformance
I.M.P. Brass Nut 1A1721Blue4kN4g4.0 / 5.6mmEN 12270:2013
I.M.P. Brass Nut 2A1722Red5kN8g4.8 / 6.4mmEN 12270:2013
I.M.P. Brass Nut 3A1723Silver5kN10g6.4 / 7.9mmEN 12270:2013
I.M.P. Brass Nut 4A1724Purple7kN13g7.9 / 9.5mmEN 12270:2013
I.M.P. Brass Nut 5A1725Green7kN16g9.5 / 11.7mmEN 12270:2013
I.M.P. Brass Nut Set 2-4A1722/24Assorted-31g-EN 12270:2013
I.M.P. Brass Nut Set 1-5A1721/25Assorted-51g-EN 12270:2013