Did a site search and got nothing. Saw it mentioned in FAMILY HANDYMAN magazine 5-2013, page 91. The plain blank extender on a serpentine belt tool is useful BUT this one ratchets. FH claims $20 for 1/4 or 3/8 plastic and $80 for metal pro.
link: http://tite-reach.com/
link: http://tite-reach.com/