There are (9) different window sizes to choose from with the Slim Line 1 Clamping System. Each (3) piece window set comes with a Base Adapter window and (2) top clamping windows. One for thin fabrics and one for thicker stiffer material. All window sets quickly and easily install onto the chassis, no tools required. The different window sizes make it easy to tailor the Slim Line 1 to fit into any opening for optimum sewing.
Slim Line I Windows:
2.5" Round
2.5
3.5" x 5.5"
4.5" x 4.5"
5.5" x 3.5"
5" Round
6.5" x 5"
Left Side Cap
Right Side Cap
