Ceramic File Slip Stone. Technical Specs. This 2"x8" stone comes in a light blue polymer case with non-skid rubber feet. Ceramic File Square. The stone is formed into a slip teardrop and kiln fired to 3000 degrees F (1649-degreesC). Spyderco’s fine-grit (white) ceramic pocket stone is compact, lightweight, and ideal for touching up edges in the field. $75.00. $17.00. Its broad, flat surface is ideal for sharpening woodworking tools and all types of knives and can be easily cleaned with household cleanser, a scouring pad, and water. Its broad, flat surface is ideal for putting a high-performance finished edge on woodworking tools and all types of knives and can be easily cleaned with household cleanser, a scouring pad, and water. Because Spyderco's benchstones are flat and broad they are highly effective for honing wide tools like plane irons, chisels, large blades, woodworking equipment, and even ski edges. Spyderco's state-of-the-art sharpening system and accessories can help give you the edge you need. This Spyderco Knife Sharpening Stone can be used dry and is easily cleaned. Description. ... Tri-Angle™ Stone Fine. $23.00. It comes with a protective suede carry case that doubles as a non-slip base during use. This high quality Bench Stone is produced by Spyderco. As with all of Spyderco's ceramic stones, use our benchstones dry … SPYDERCO uses only top-notch White High Alumina Ceramic to insure long-lasting quality. Spyderco's fine grit ceramic slip stone is flat, thin and ultra smooth for professionally finishing and sharpening. Ceramic File Round. YOUR SATISFACTION IS IMPORTANT TO ME It features a Ultra-fine Grit design and measures 8''L X 3''W X 1/4''H. Made from ultra-hard alumina ceramic material, Spyderco's ultra-fine-grit benchstone is used like a traditional sharpening stone, but does not require oil or water. Ceramic File Set. $19.00. Before Spyderco ever made knives, we manufactured the tools to keep them sharp. They're made from Alumina Ceramic, a process where a bonding agent is combined with Alumina particles that are actually synthetic sapphires. Made from ultra-hard alumina ceramic material, Spyderco's fine-grit benchstone is used like a traditional sharpening stone, but does not require oil or water. Available in Fine, Medium, or Ultrafine grits, each 2" x 8" stone comes packaged in a rigid polymer storage case complete with non-skid rubber feet for tabletop use.