Strut Channel - Slotted Slot Type Half Slotted Size 1 1/2 in x 3/4 in Overall Length 20 ft Overall Height 3/4 in Overall Width 1 1/2 in Steel Gauge 14 ga Hole Size 9/16 in x 7/8 in Hole Spacing 1 1/2 in Center to Center Style Single Channel Type Slotted Silver Finish Electroplated Weight 0.64 lb