Thumb Score: +25 Amazon has 7-Piece Irwin 8-In-1 Multibit Screwdriver Set (4935586) on sale for $3.90. Shipping is free with Prime or if you spend $25 or more. Thanks Mainline Note, must be sold/shipped by Amazon. In Stock October 2, 2020 Deal Editor's Notes & Price Research: [LIST][*]Don't have Amazon Prime? Students can get a free 6-Month Amazon Prime trial with free 2-day shipping, unlimited video streaming & more.