After I get them as clean as I can with those 2 stages I then do the finish work with Bar Keeper's Friend and those Spyderco Sharpmaker stones are as new as if they came from the factory. The Triangle Sharpening Rods are made of ceramic … It offers superior abrasion … Dealer. The Spyderco Triangle Sharpmaker is a very versatile sharpening system. This deluxe knife sharpening kit includes two sets of sharpening rods that are … I also use that method on all my other Spyderco sharpening equipment with the exception of the diamond rods … Almost gone. Spyderco Triangle Sharpmaker Rod 204UF1 - Single - Ultra Fine Grit -Auth. It can sharpen just about any knife with ease, including even serrated knives. Spyderco Sharpmaker Triangle Diamond Rod 204D - Set of 2 - For Knife, Knives + $57.40. The Spyderco Sharpmaker takes all of the guesswork out of knife sharpening with a simple and easy-to-use design. $18.50. 5 left. New Spyderco Cubic Boron Nitride Rods … Spyderco Triangle Sharpmaker (CBN Rods) Cubic Boron Nitride Tri-Angle Sharpmaker Rods Cubic Boron Nitride (CBN) is a superabrasive that is second in hardness only to diamond.