Benchmarks

http://altamashjiwani.wordpress.com/2011/02/27/gripdrive-screwdriver-holder-industrial-design/



http://www.wolfcraft.com/en/products/p/hand_screw_drivers/1_hand_screwdriver_2c-1/s/p/index.html


http://www.amazon.com/Long-Phillips-Screwdriver-Screw-Starter/dp/B00A8NWZNE

http://www.flexibleassembly.com/Products/Atlas-Copco-Tools-Assembly-Systems/Atlas-Copco-ETV-Micro-Screwdrivers

http://www.maximumpc.com/article/features/maximum_pc_gets_screwed_so_you_dont_have_to_ultimate_screwdriver_review_roundup?page=0,0