Crain No. 501 Auto-Lok Tube
Crain Tools
Crain No. 501 Auto-Lok Tube
$131.68
Unit price
The Crain No. 501 Auto-Lok Tube is an extension tube for Junior Power Stretchers that lets you adjust stretcher pole length without tools — push back to extend, press the buttons and pull back to shorten.
Specifications
| Compatibility | Junior Power Stretchers with standard-size poles |
| Closed Length | 2 ft. 10 in. |
| Extended Length | Up to 4 ft. 8 in. |
| Useful Adjustment Range | 2 ft. 10 1/2 in. to 4 ft. 8 in. |
| Adjustment Increment | 1 1/2 in. |
| Added Length | Up to 4 ft. 8 in. |
| Net Weight | 7 lbs. |
| SKU | 501 |
Key Benefits
- Push-button locking mechanism adjusts pole length without separate tools
- 1 1/2 in. increments allow fine-tuned length adjustment for a precise fit
- Compatible with standard-size poles on Junior Power Stretchers already in your kit
Available through PreFloorTools.com. Pairs with Crain Junior Power Stretchers and other standard-size stretcher pole accessories.
Quantity
Guides for this tool
How-to, setup and maintenance from the PreFloor Knowledge Center.
-
Power Stretcher Care and Common Wear Parts
Keeping a Crain or Roberts power stretcher working: pin depth, lubrication, the wear parts that fail first, and their part numbers.
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Setting Up a Power Stretcher: Tubes and Stretch Patterns
Setting up a power stretcher: head placement, pin depth, tail block bracing, tube runs and CRI's seven-step stretching sequence.
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Power Stretcher vs Knee Kicker
Why CRI 105 makes power stretching mandatory, what a knee kicker is actually for, and how much stretch carpet needs.
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Carpet Ripples and Re-Stretching
What CRI says causes carpet wrinkles and buckles, and the steps for a proper re-stretch, including the adjoining rooms.
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