Patchwork & SewingPatchwork / Sewing NotionsRulersOLFA Frosted Advantage Non-Slip Ruler "The Workhorse" 16-1/2"X16-1/2"Write Review Previous Next Review OLFA Frosted Advantage Non-Slip Ruler "The Workhorse" 16-1/2"X16-1/2" Display Name Your Email * * This will not be published Review Rating: Submit Review Your review has been sent to be moderated.