4 gauges from 6-9 stitches/“ are included so that most fine or extra fine gauge looms may be used. Pattern is designed only for sock yarns with some stretch. In addition to Patons, Regia, Red Heart, Cascade and Alize offer stretchy yarns of suitable weights. EFG use #1 yarn. FG use upper end of #1-#2 yarn. Looms should be adjustable to allow you to select your ideal peg count. Both inches and cm are referenced in the pattern. 5 pages. A list of helpful video links is included.