This is a 1966 2-page ad for a Sioux Tools No. 685L Automated Valve Grinding Machine; No. S-1310 All-Angle Drill; No. 1792 Air Powered Angular High Speed Driver; No. 1495 1/4" All-Angle Electric Drill; No. 645L Valve Grinding Machine; No. 473 Heavy Duty Air Impact Wrench; No. 1450 High Speed Air Drill! The size of the ad is approximately 11x17inches. The caption for this ad is 'The proift picture looks better with Sioux' The ad is in great condition. This vintage ad would look great framed and displayed! Add it to your collection today!