The hidden countertop support brackets for kitchen countertop are essential when protecting your granite or stone countertop. Our knee wall hidden support bracket is the most popular bracket on the market. The perfect concealed countertop overhang bracket for countertop support. This granite countertop support is nonintrusive while your countertop appears to be floating. Once installed this support bracket will be virtually invisible and protect your countertop from cracking when leaned on. The knee wall support bracket mounts on top of half wall/knee/pony wall to support extended countertop overhangs. What size the knee wall countertop support bracket to order: When determining lengths of the knee wall bracket, stay away from the outer edge of your countertop over hang by 2-4 inch and add the length of the knee wall. For example, tou have a 12 inch overhang and a 4 inch knee wall, it is 12+4=16 inch, minus the 2-4 inch you need to come bak from the outer edge, it is 16-2~16-4=14~12 inch, it means you need a 12~14 inch bracket. Advantages of our hidden knee wall granite support bracket ?Invisible design create an appearance of floating of the countertop. ?High quality steel made, to ensure high durability of the countertop support bracket. ?The end of the bracket has a beveled angle to protect users from hurting. ?All screw holes are countersunk into the brace to add more support. ?Good-value package and high quality brackets to protect your investment. ?Lifetime warranty for every customer. What is in the package: ?3 pack of hidden knee wall brackets ?6 pcs of necessary screws