*PLUMBERSSTOCK EXPERT* responded:
HI! We appreciate your interest in our NDS 1211 black plastic square grate. According to the manufacturer, this grate does not have an overlapping lip. This is a drop-in grate. The top lip of the catch basin is visible when the grate is installed. If you still want to purchase this item. just click on Add to Cart. Enter your zip code to get a shipping cost estimate and proceed to checkout to begin the ordering process. Thanks for choosing PlumbersStock.com as your online shopping buddy. Have a great day!