Manufacturing Shore Holder - 3/16" Steel Cup for 4" & 5" Joists, Attaches with Duplex Nails, Joist Support for Construction, Lumber Bracing, Secure Shore Holder Hardware - 4x4 Cup Type

HEAVY-DUTY LEVELING JACK FOR 6X6 POSTS - Engineered to support up to 30,000 lbs, this steel screw jack stabilizes beams, levels joists, and reinforces crawl spaces. Constructed for demanding structural repairs, it delivers strength, stability, and longevity for residential and commercial uses. ADJUSTABLE & VERSATILE SUPPORT - Easily attaches to 6x6 nominal lumber with a 6-inch adjustment range for precise leveling. Operates like a lally column for structural reinforcement, making it perfect for trench shoring, construction, and foundation repair projects. An integrated safety lock offers added security, making it appropriate for both permanent and temporary support. PRODUCT SPECS & MATERIALS - Weighs 22 lbs with a maximum load capacity of 30,000 lbs. Includes a 6-inch adjustment range utilizing a 1.75-inch Acme threaded screw, independent swivel base plates with 4-3/8" diameter holes, and a lock-set screw for stable support. TRUSTED QUALITY SINCE 1951 - The manufacturing company has supplied industry-leading structural support solutions for over 70 years. Recognized for durable construction materials and excellent craftsmanship, it is a reliable name in shoring and foundation repair