Pre cut rack strip, 2mm, full hole, black, 10U - Sold as a pair. Full Hole Rack Rail with?Square Holes.?Cuts from 1 space 44.45mm / 1.75" to 45 spaces 2m / 79" are available.?Mounting Equipment on Rails: -Use our new and innovative?Clip Nuts?on Rack Rails for an easy and economic alternative.?- Also compatible with?S1170/?S1172?Captive Nuts,?S1045?M6 Screws and?S1940?and?S1941?Cup Washers.?