Super Bulky Yarn and Roving
(Super) Bulky and Roving weight yarns have the following gauge ranges and recommended needle and hook sizes according to the Standard Yarn Weight System by the Craft Yarn Council of America.
Knit Gauge Range in Stockinette Stitch to 4 inches - 6 to 11 sts using US #11 and larger knitting needles.
Recommended US Crochet Gauge in Single Crochet to 4 inches - 5 to 9 sts using a M-13 and larger crochet hook.