Features: The adjustable whetstone holder bridge enables you to use sharpening stone over your kitchen sink, and easy to clean and dry. Retractable design makes it adjustable to fit a sink from 12.2in to 15.74in(inner width). Suitable to hold 4.92~9.05in(length) whetstone, waterstone, lapping plate, diamond flattening stone, etc. Non-slip sink bridge can keep stones from sliding during honing. Made of high quality PU, the heavy-duty thick plastic holder is solid and sturdy. Note: *Sharpening stone not included. Specifications: Material: PU plastic Color: Grey / Green / Blue / Silver(Stainless Steel ) (Optional) Suitable Sink Width: 31~40cm / 12.2~15.74in Suitable Knife Stone Size: 12.5~23cm / 4.92~9.05in Item Size: 36*7.4*2.5cm / 14.17*2.91*0.98in Item Weight: 280g / 9.87oz Package Size: 37*8*3cm / 14.56*3.14*1.18in Package Weight: 330g / 11.64oz Packing List: 1 * Sharpening Stone Holder Bridge