Unistrut P2626-EG, 1-5/8″ Channel, Steel, 2-Hole, 90D Corner Channel Angle, 1 pc. Unistrut P3006-1420-EG, 1/4″, Steel, Channel Nut without Spring, 1 pc. Unistrut P4006-1024-EG, #10-24 TPI, Steel, Channel Nut with Short Spring, 1 pc.