About This LEVELING SCREW JACK - 12" screw jack built for 10K shore frames. Designed for tall vertical adjustments, large-scale formwork, and demanding shoring operations. COMPONENTS & FUNCTION - Includes 8" threaded Acme screw, 4" solid pipe, forged galvanized wing nut, and lockable screw. Provides stability for tall reshoring frames. MATERIAL QUALITY - 3/8" base plate with 4 - 3/8 bolt holes, welded to 2" Sched. 40 pipe. Components are anti-corrosive and made for high-load performance. SPECIFICATIONS - Total Height: 12". Threaded Length: 8". Solid Pipe: 4". Base Plate: 3/8" x 6" x 6", 4 - 3/8 holes. Wing Nut: 8.75" galvanized. Acme Screw: 1-7/8" dia. ESTABLISHED PERFORMANCE - Ellis Manufacturing has specialized in shoring hardware since 1951, offering time-tested components for residential and commercial concrete forming, reshoring, and structural leveling. Overview Material : High Carbon Steel Load Capacity : 20000 Pounds Brand : ELLIS Color : Orange Item Weight : 16 Pounds