For Rota-sama: [New, Unused] Casters, Fixed, White, Set of 4

These are casters that came with furniture I purchased!
They are a fixed type that only move forward and backward!

?? The bag is unopened, but as it has been stored by an amateur, there may be some minor scratches.
Please only consider purchasing if you understand this.

■ Size (approx.)
? Total height: 5cm (mounting surface to floor)
? Plate size: 5cm (height) x 3.5cm (width)
? Mounting holes: 4 locations (pitch: 3.5cm (height) x 1.5cm (width))

■ Specifications
? Wheels: White (plastic)
? Metal fittings: Metal
? NSG engraved on the side
? Moves only forward and backward (fixed casters)