ElectricianSupplies.com is your source for 4 Fuse Reducers items including Bussmann NO.663 - 1 Each! Try emailing or calling us at 800-448-2014 - we'll do our best to answer your questions. Bussmann NO.663 - 1 Each are stocked items that ship within #time#! At ElectricianSupplies.com you can always login to get updated shipping status. Manufactured by Bussmann. At ElectricianSupplies.com you will find only quality branded products - no private lable of knock-off items! ElectricianSupplies.com has been supporting Electricians and Engineers since 1989 - count on us for dependable delivery and secure shopping!