Back Home / Tools and Equipment / Hand Tools / NUTSERT MANDREL FOR 1/4-20 FOR 39200 NUTSERT MANDREL FOR 1/4-20 FOR 39200 SKU: XM39258 Categories: Hand Tools, Tools and Equipment Nut sert tool mandrel. 1/4-20″ size for Marson 39200 tool. Is for the older model tool, not the current NST tool. Nut sert tool mandrel. 1/4-20″ size for Marson 39200 tool. Is for the older model tool, not the current NST tool. Case Quantity: 1 Log In For Pricing