Logan Graphics F-10 Insert Rigid, Holds Wood Frame Sections Together, Package of 100. August 27, 2014August 27, 2014 Foamboards foamwerks Rigid insert for use in the Logan Fitting Tool. Product Features Rigid Insert Fits the F400-1 Logan Graphics F-10 Insert Rigid, Holds Wood Frame Sections Together, Package of 100. [ccw-atrib-link]