3/8"-16 Nylon Plastic Coarse Thread Toilet Seat Nuts

Diameter: 3/8"
Thickness: 11/16"
Material: Nylon
Driver Type: 9/16" Wrench
Thread Size: 16 (Coarse)
Type: Hex Nut
Hex nuts are used to secure and fasten the threaded portion of most machine screws and bolts.