Aquasource T802D 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 Size: 22

Lid P/N: 7425

Tank P/N: 6109 or 6206

Old Lid P/N: K4548

Aquasource T802D Reproduction Color:White We are not positive butManufacturer: AQUASOURCE Lid P N: T802D Lid Size: 18. 5" x 8. 25" Tank P N: T802D Tank Size: 17. 625" x 7. 5" Toilet Model: Henshaw Dual Flush 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