Flying Geese 1/2" x 1" BLOC LOC Ruler with Squaring-Up Groove color-green Featherweight Accurate Seam Guide is

Featherweight Accurate Seam Guide is not included with Seam Square but can be purchased separately  in either black or clear

and virtually lint free

The throat plate screws only need to be finger tight

but "practically"

This will be a prized possession for the sewing machine collector or a young collector just getting their start

Flying Geese 1/2" x 1" BLOC LOC Ruler with Squaring-Up Groove color-green Featherweight Accurate Seam Guide isThe easiest flying geese squaring up ruler I have ever used. Lock your flying geese seams in the underside groove of the ruler and your ruler won't twist or wobble, making it easier to square and trim! The Flying Geese ruler will also square up a Diamond in a Square unit. Ruler is 1" x 1. 5" (1 2" x 1" finished in a quilt) Bloc Loc's patented technology of flying geese rulers make the tough job of squaring up easy and fast. The groove slides along the