The Edge Master Professional Stone Station includes a small and large sharpening guide rail, a levelling stone, a non-slip durable base with storage and breathing holes to keep accessories dry after use, and a flattening stone to level the whetstone before use. Suitable for use with whetstones 18cm x 6cm in size. Key Features: Includes 1 x large guide rail, 1 x small guide rail and 1 x levelling stone Flattening stone used to level the stone before use to ensure the whetstone is completely flat Large guide rail is ideal for maintaining the same angle on large/broad knives whilst sharpening Small guide rail is ideal for maintaining the same angle on small/thin knives whilst sharpening Non-slip, durable base with storage and breathing holes to help the accessories dry after use Clear instructions to sharpen blunt knife with care Suitable for whetstones 18cm x 6cm in dimension