Jacuzzi Lyndsey Reproduction Color:White We are not positive but

We are not positive but believe the hole is used for some kind of locking mechanism

Lid P/N: 4014

Tank Approximate Maximum DImensions: 21

Lid P/N: N7714

Part Number: 2

Jacuzzi Lyndsey Reproduction Color:White We are not positive butManufacturer: JACUZZI Lid P N: Lyndsey MT 20202 Lid Size: 17. 75" x 8. 5" Tank P N: MT 20209 Tank Size: 17" x 8" Toilet Model: Lyndsey This is a reproduction toilet tank lid. These lids are custom designed with sophisticated 3D modeling software and manufactured in North Carolina. It is available as a beautiful sapele wood tank top simply coated with marine grade spar urethane to provide moisture resistance and also available to match any toilet