SKU: 113917 Beall Treen Expansion Kit

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.