For use with: SC12-2-EG, SC12-4-EG, SC14-2-EG, SC12-10-EG, P1000, P1001, P5000, P5001, P5500, P5501 and All 1-5/8" or Taller Strut Channel Requires 3/8" x 2-1/2" Bolt and 3/8" Nut - NOT Included Silver Finish: Electro-Galvanized Zinc; ASTM B633, Type III Channel Trolley Track Intermediate Support Hanger