For mounting terminal blocks, card files and other equipment on 19" and 25" racks. 

Features and Benefits

• Angle mounting bars are 1/8” (3.18 mm) cold-rolled steel
• T-mounting bars are 1/8” (3.18 mm) extruded aluminum
• Hole patterns are 12-24 tapped on 7/16” (11.113 mm) centers
• Supports 66/89 Blocks; sold individually