Texas Knifemakers Supply: G-10 Fiberglass Knife Handle Scales & Bulk Pieces G-10 is woven fiberglass soaked in an epoxy resin and then compressed and baked. It is very dense, lightweight, and impervious to water. Makes for a very tough and durable handle material. Scales are sold as a pair, each is 5" x 1-1/2" x 1/4" Color is solid blue. Sands and buffs well, and polishes to a high shine! Always use a respirator when sanding, to prevent inhalation of glass fibers.