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Thumbnail Filmstrip of Beall Treen Expansion Kit Images
This kit allows you to turn boxes with 1-1⁄2 or 2 inside diameters on the Treen Mandrel. The 1-1⁄2 set consists of two brass rings which slide over the original mandrel. The 2 set includes steel rings which fit over the mandrel that are secured with set screws. A 2 dia. aluminum gauge ring to permit easy matching of box and lid diameters is included.