1/8 (3mm) Hardboard Sheets - 24x46 - Woodworkers Source

Woodworkers are loving this

2440 X 1220 X 3mm Standard Hardboard

3mm Standard Hardboard - 2440 x 1220 (8' x 4')

3mm x 2440mm x 1220mm Standard Hardboard Panel

3mm Standard Hardboard 2440mm x 1220mm (8′ x 4′) - Sheet Materials

Woodworkers Source Your Friendly Lumber Supplier

1/2 (12mm) Birch White Plywood Prefinished on Veneer Core - 24x46 - Woodworkers Source

Richeson Hardboard Flat Panel - 24 x 36, 1/8

1/8 (3mm) Hardboard Sheets - 24x46 - Woodworkers Source

Woodworkers Source Your Friendly Lumber Supplier

Woodcraft Woodshop - Baltic Birch Plywood - 1/8 (3 mm) x 24 x 30

Plywood & Sheet Goods - Woodworkers Source

Hard Board Plain, 8ft x 4ft, 3mm

Richeson Hardboard Flat Panel - 24 x 36, 1/8

Baltic Birch Plywood, 3 mm 1/8 x 12 x 24 Inch Craft

1/4 (5.2mm) Premium Walnut Plywood on MDF Core - 24x46 - Woodworkers Source

Lumber - Woodworkers Source