Direct Attachments QuickBOLT 90 Degree Adjustable 18mm Steel Roof Hook w/#14x3" Screws, 17550 Mfr. Part # 17550
Hardware QuickBOLT 1/2" x 4" Roof Screw HEX Driver for 5/16 HWH Screws, 17655 Mfr. Part # 17655 Diameter 1/2 In.