Inquiry (采购产品): pipe cutting tool I have a #20 Rotary. cuts 18"-20" cast iron and 20"-22" steel. Pat.# 2739381-2824772-2956339 Ser.# 20. Could you please tell me how much this is worth. Thank you for your time. **** Hidden Message ***** Kari Stoneberg 15801 Company: Busted Knuckle Garage E-mail: hw420kari@comcast.net **** Hidden Message ***** hw420kari@comcast.net