ConditionNew: A brand-new, unused, unopened, undamaged item (including handmade items). See the seller’s … Read moreabout the conditionNew: A brand-new, unused, unopened, undamaged item (including handmade items). See the seller’s listing for full details. See all condition definitionsopens in a new window or tabBrandKokensizeDiameter: 46mmitem_package_quantity1.0part_number6405M-46MPNN/Apackage_levelunitmodel_numberKOKENbatteries_requiredfalseunspsc_code27111700manufacturerYamashita Industrial Research InstituteCountry of OriginJapan