This is a traditional Shetland Hap shawl pattern - a warm garter stitch and Old Shell patterned shawl with a pretty edging.
Made with 14 x 25 gram balls of 2 ply lace weight Shetland wool and British size 9 (3.50 mm, American 4) circular needle 16" - 24" (40 cms - 60 cms) long.
For the moderately experienced knitter. Click on the image for a larger picture.