Protect Your Hands With Primeline's Knuckle Saver Friday, July 21, 2023 | 0 comment(s) The Primeline Knuckle Saver is designed to keep your knuckles clear and safe while cutting roofing membranes, shingles, or other materials. Get yours today! Available here: Primeline Knuckle Saver 0 Comments Add a Comment to this Post You must be logged in to post comments.