Vintage Strait-Line Chalk Line Reel (Plumb Bob), Made in USA, The Irwin Auger Bit Company. Vintage Strait-Line Chalk Line Reel (Plumb Bob), Made in the U.S.A. by The Irwin Auger Bit Company, Wilimgton, Ohio, U.S.A. Patent Number 2589500 (all imprinted on the reel. Yes, it does work. The plastic slide for the chalk slides smoothly & clicks to close. The reel turns and clicks into place with the hook and line attached. There is a bit of rust on the reel handle. This is approximately 5" long, 3" wide, and 1" high. Selling as is; this has not been cleaned. This is from the D.L. Collection. All reasonable offers will be considered. Please ask about payment options and delivery/shipping options.