Hightex #718-30 features triple feed mechanism, large vertically hook, and 20mm clearance under feet, can easily sew layers of slippery materials with thread up to Nm 10/3 with stitch lengths of 10 mm. The triple feeding system can definitely guarantee even and uniform stitches on your projects, like tents, parachutes, sails, tarpaulins, awnings, pool covers and awnings.