Naniwa Kensetsu Kogyo Whetstone Set with Medium Finish Rough Whetstone Surface Refinishing Clip 4-Piece Stand, #1000, #220, Whetstone,

Size (approx.): Coarse whetstone/medium whetstone: 175 x 55 x 16 mm, straight whetstone: 175 x 55 x 30 mm, sharpening support clip: 58 x 19 x 16 mm Materials: Coarse whetstone: GC, Medium whetstone: A, Surface straightening whetstone: C, Base: ABS, Clip: Polypropylene, Alumina ceramic Country of Origin: Japan Set contents: Coarse whetstone, medium whetstone, surface-dressing whetstone, clip