QARCMQ crawlspace jack posts help contractors and remodelers stabilize floor joists, attic beams, and porch structures. The 16.5–30 inch adjust range covers common crawlspace and floor-system heights.
- Load capacity: 10,000 lb
- Adjust range: 16.5–30 inches
- Thread: M27 bidirectional for quicker raise/lower
- Material: high-strength carbon steel with anti-rust coating
- Color: blue industrial finish
Wholesale note: Orders of 30 units or fewer typically ship via Amazon FBA Multi-Channel Fulfillment. Orders of 31+ ship factory-direct from China (about 30 days). Use the Wholesale Inquiry form for large orders.






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