Parts

-IV Pole

http://www.amazon.com/Grayson-IV-Poles-4-Leg/dp/B000M8FQZO/ref=sr_1_2?ie=UTF8&qid=1339551941&sr=8-2&keywords=IV+pole

- Acrylic, Delrin

http://blink.ucsd.edu/sponsor/CRMS/index.html

- Constant Force Springs

http://www.centuryspring.com/Store/item_detail.php?StockNumber=CF1320

- Hook

http://www.homedepot.com/h_d1/N-5yc1v/R-100353668/h_d2/ProductDisplay?catalogId=10053&langId=-1&keyword=adhesive+hook&storeId=10051

-3/8" Aluminum Rod

http://www.mcmaster.com/#aluminum-alloy-rods/=hyajy9

-D Profile shafts

http://www.mcmaster.com/#steel-precision-shafts/=hyalc7

- Steel precision shafts

http://www.mcmaster.com/#precision-shafts/=hyals4

-Handle

http://www.mcmaster.com/#tapered-control-handles/=hyan9d

-Hook and loop

http://www.mcmaster.com/#hook-and-loop-cable-ties/=hyanr7

-Wire rope

http://www.mcmaster.com/#standard-wire-rope/=hyaoae