It all started in Chicago over 70 years ago. From the outset, the Duo-Fast brand has been linked to good, high-quality tools in the field of timber fasteners. Today also, Duo-Fast offers professional builders a superb selection of quality pneumatic tools and fastening accessories.

Software for choosing fastenings for timber-frame structures, Windows (44 Mb, exe file)
ITW Calculation Software 2.01

Instructions for using software