15Ft Rolling Scaffold Stair Tower PSV-502 - 5’ Tube Guard Rail PSV-502 - 5’ Tube Guard Rail PSV-503 - 7’ Tube Guard Rail PSV-530 - 42” Female Corner Guard Rail Post PSV-540 - 42” S-Style Male Guard Rail Posts PSV-917B - 7’ Top Rail for Internal Stair Unit PSV-610B - 5’ x 6’4” Walk Thru Frame PSV-303 - 7’x4’ Tube Cross Brace PSV-920 - Internal Stair Unit w/ Handrails PSV-919 - Internal Stair Unit Starter Bar & PSV-925B - Rolling Stair Tower Starter Step PSV-130 - Socket Screw Jacks PSV-SP-07 - 7’ x 9’’ Steel Decks DIAGRAM Need Help? Call 800-592-1718 www.ScaffoldExpress.com Disclaimer: ScaffoldExpress.com recommends with all scaffold erection projects, that an OSHA certified Competent Person be on site to supervise any and all scaffold building, including that of Scaffold Stair Towers. Toggle Pin PSV-112 locks the Upper Frame into the Coupling Pin PSV-104 Insert Spring Clip PSV-113 into Coupling Pin PSV-150 - 8” Locking Caster w/ 1 3/8” Stems PSV-111 - Span Pins PSV-520N - 5’ Guard Rail End Panel (Yellow) PSV-RST-15