ABB Kindorf® B905-10 Punched Metal Channel 9/16" Holes 1.5" Spacing 12 Guage Galv-Krom® Finish with 1.5" dimension in the channel, hole spacing and fittings means all parts fit together, no matter where they are used, or at what angle. The modular dimension provides maximum flexibility in field applications and results in saving inventory and labor dollars. Even though Kindorf channel is slightly smaller in dimensions it supports the same weight as 1-5/8" channel. The Galv-Krom® finish is commonly referred to as "gold, and is a combination of .5 mils electro-plated zinc and a gold trivalent chromium finish, offering superior rust protection and excellent electrical conductivity.