Metal framing channels. For use with Superstrut metal framing and hanger systems. Goldgalv electroplated zinc finish on 12-gauge steel. Excellent corrosion resistance. Half slot (9/16″ x 1-1/8″) channel. Slots on 2″ centers. Channel dimensions: 1-5/8″ x 1-5/8″. No. ZA1200HS4: Length: 4′, Width: 1-5/8″, Depth: 1-5/8″, Gauge: 12, Slot Size: 9/16″ x 1-1/8″, Slotting: 2″ On-Center, Material: Steel, Finish: Goldgalv Electroplated Zinc, Pkg Qty: 1 No. ZA1200HS6: Length: 6′, Width: 1-5/8″, Depth: 1-5/8″, Gauge: 12, Slot Size: 9/16″ x 1-1/8″, Slotting: 2″ On-Center, Material: Steel, Finish: Goldgalv Electroplated Zinc, Pkg Qty: 1 No. ZA1200HS10: Length: 10′, Width: 1-5/8″, Depth: 1-5/8″, Gauge: 12, Slot Size: 9/16″ x 1-1/8″, Slotting: 2″ On-Center, Material: Steel, Finish: Goldgalv Electroplated Zinc, Pkg Qty: 1