Crain 670 Plank Hardwood Plank Jack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Massive power with NO backlash</li><li>Durable threaded pushrod means no dogs that can break</li><li>Push-button "half-nut" length adjustment</li><li>Fastens to floor when needed</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41XgcPiDBpL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51iU0LTAL1L.jpg" noproxy>