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The Starrett SF190 Little Giant jack screws set is a six-piece jack screw set that can be used to level a workpiece on the table of a planer or drill press or in a machine shop. The 20-pitch jack screw measures 1-1/4" in diameter at the base and offers a height range of 2-1/4 to 3-3/8 inches. The 1" and 2" extension bases can be used in combination with the jack screw to achieve a maximum height of 6-3/8". An auxiliary pointed screw can be used in place of the screw with a swivel cap. An additional extension base is suitable for use on irregular surfaces. An extension "V" base can be used against a cylindrical form.
Jacks are machines used to lift heavy objects, such as vehicles, trailers, structures, or heavy machinery. Jacks come in a range of styles for different applications. Common varieties include bottle jacks, which resemble a large bottle in shape and use hydraulic force to lift the load; floor jacks, which typically contain a long pump handle and caster wheels and sit low to the floor; and tongue jacks, which can be mounted onto the frame of a trailer to lift and lower it. Jacks can be used on construction sites or in warehouses, automobile repair shops, or industrial facilities.
The L.S. Starrett Company manufactures precision measuring tools, metrology and testing equipment, and saw blade products. The company, founded in 1880, is headquartered in Athol, MA.
What's in the Box?
- 20-pitch jack screw
- 1" extension base
- 2" extension base
- Auxiliary pointed screw
- Extension base for non-flat surface
- Extension "V" base for cylindrical forms
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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