Blue guides for sharpening on stone. Blue wedges from 10 to 20 degrees and 2 rubber bands are included. Up to 39 degrees if two guides tied together. | Orange guides for everyday maintenance on sharpening rod. Orange cones 14, 16, 18, 20 degrees. | Blue guides length: 1-1/2" (38mm), Width: 7/8" (22mm), Height: 5/16 - 9/16" (9-16mm). Material: Plastic. | Orange guides: 1-5/8" (H) x 1-5/8" (D). 42mm x 40mm. Material: Plastic, Stainless steel springs. | Please visit Wedgek dot com for Tutorial. | If not satisfied, please email us. We'll do our best to make you happy.