This is a 30cm wide wood wrist rest. It's a perfect fit for HHKB and 60% to 75% keyboards. I used it a few times, but it didn't suit me, so I left it unused. I think it's in very clean condition. FILCO Genuine Wood Wrist Rest S size [Width 300mm] Made in Japan using natural Hokkaido wood, Osmo color finish, Brown FGWR/S Product size: 300 x 81 x 20mm (including bottom cushion) Cushion material: PORON Food Pad series EG type Weight: Approximately 200g Wood palm rest, wood arm rest