The Northern Tool and Equipment Black Friday 2013 ad has 8 pages of sales that will save you up to 65%. The best deals will be offered Friday only, with doors open from 6am - 9pm. Black Friday doorbusters include the Northern Tool exclusive Stainless Steel Work Surface for $649.99 (retail $899.99) (pg. 1). Stay warm with a 2700 BTU Electric Infrared Quartz Heater priced at only $19.99 (retail 34.99) (pg. 7). Need to recharge without electricity? Try the 7 Watt Solar Battery Maintainer for $19.99 (retail $39.99) (pg. 8). 3-day sale highlights include 30% off hand tools with over 800 items reduced (pg. 4) and up to 60% off gift items from pet beds to French fry cutters (pg. 5).