9-inch round kayak hatch

Name: 9-inch canoe inspection hatch
Model: KK-A50
Material: ABS plastic + 304 stainless steel (screw) + nylon (storage bag) + TPR (washer)
Specifications: outer diameter: 28CM; inner diameter: 22.5CM
Packing: PP bag

Contents list: 9-inch hatch cover*1, stainless steel screws*14, storage bag*1