









⚙️ Jack smarter, not harder — center with confidence every time!
The JACK STACK Bottle Jack to Post Adaptor is a precision-engineered 1/4" steel accessory designed to center 4x4 posts on bottle jacks, preventing post damage and improving jack stability. Featuring a 3-5/8” square opening and compatibility with up to 2" jack saddles, it includes screws for secure positioning and a durable powder-coated finish. Ideal for professionals seeking safer, more efficient jacking with standard lumber posts.
| Manufacturer | Narrow Path Construction |
| Brand | JACK STACK |
| Model | Jack Stack |
| Product Dimensions | 10.16 x 10.16 x 5.08 cm; 798 g |
| Item model number | 4x4 |
| Manufacturer Part Number | JS4x4 |
| Colour | Black |
| Assembly Required | No |
| Manufacturer | Narrow Path Construction |
| Country of Origin | USA |
| Item Weight | 798 g |
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