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 1 2.2in to 1 5.74in(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 plasticColor: Grey / Green / Blue / Silver(Stainless Steel ) (Optional)Suitable Sink Width: 31~40cm / 1 2.2~1 5.74inSuitable Knife Stone Size: 1 2.5~23cm / 4.92~ 9.05inItem Size: 36* 7.4* 2.5cm / 1 4.17* 2.91*0.98inItem Weight: 280g / 9.87ozPackage Size: 37*8*3cm / 1 4.56* 3.14* 1.18inPackage Weight: 330g / 1 1.64ozPacking List:1 * Sharpening Stone Holder Bridge