- Steel rackrail with punched holes as 61532BLK but with three holes per U - Hole size 9.5 mm (according to IEC 60297) - 2 mm steel - Black powder coated - Includes: 1x 12 U piece - Suitable Adam Hall 5653 cage nuts : Article Nr: 263177 (not included) EUR 6.40 - See more - Buy online