30 Pieces Backgammon Checkers 1.4 Inch Replacement Set Checker Board Games Playing Game Chips with 4 Dice, Black and Ivory (1.4 inch),30 Pieces Backgammon Checkers 1.4 Inch Replacement Set Checker Board Games Playing Game Chips with 4 Dice, Black and Ivory (1.4 inch),SGシリーズ|製品情報|黒田精工株式会社,GWシリーズ(C7級)/ GYシリーズ(C10級)|製品情報|黒田精工株式会社