Serene Valley Sink Bottom Grid 25-1/4" X 12-1/2?, Rear Drain with Corner Radius 1-1/2", Sink Protector NDG2513R Grid dimension: 25-1/4" X 12-1/2? for your sink bottom with Corner Radius 1-1/2" Rear Drain LOCATION 304 Premium stainless steel construction with light weight design to ensure durability and user-friendliness at the same time. Serene Valley Brand aims to making a kitchen grid to be a beautiful addition to your kitchen without compromises. We use the 1/4?diameter 304 stainless steel for the outer wire and 1/8" for inner wire, which is thicker than most of competitors. Our tighter grid structure and unmatched laser welding technique all make it stand out from the crowd. A good product speaks for itself. Once you have it in hand, you can feel the quality and have no regret for the purchase. How to Measure Your Sink to Find the Matching Grid? Where The Grid Sits? Our sink protector have 1" height, which means it sits at the plane about 1" above the sink bottom. Therefore, it's VERY important to measure the dimension of your sink bottom at 1" height. Sink Bottom Length Measure carefully from left to right at the plane about 1" above the sink bottom. Please make sure the length of the grid of your choice has about 1/2" less than your measurement, which is to avoid the grid edge touching your sink. Sink Bottom Width Measure carefully from top down at the plane about 1" above the sink bottom. Please make sure the width of the grid of your choice has about 1/2" less than your measurement, which is to avoid the grid edge touching your sink. Kitchen sink, in general, have three types of drain location: centered drain, rear drain and side drain (or side corner drain). Please make sure the grid of your choice have the same drain location as the grid you choose. Kitchen sinks have different corner radius. Please make sure the grid of your choice have the same corner radius as the grid you choose. Extra Solid Material Serene Valley uses the highest standard when it comes to making kitchen bottom grids. The extra thick 1/4?diameter 304 stainless steel is used for the outer wire and 1/8" is for inner wire. The heavy duty 1x1" grid structuret won't flex and yield, no matter how heavy load you put it on.