Inquiry (采购产品): screw jacks i am interested in information on the use of screw jacks in residential construction, in particular the use with wood or tubular steel columns,load ratings, details, etc. also catalogue information. thank you l. stein **** Hidden Message ***** lester stein bethlehem, pa. Company: lester stein architect E-mail: lstein11@verizon.net **** Hidden Message ***** lstein11@verizon.net
