This is a used Sunpak 622 Pro System bare bulb flash head, model 651-066, sold as a tested backup unit. It is offered with free shipping. As a bare bulb head, it provides a distinctive, omnidirectional light quality often desired for portrait, event, or creative photography where soft, even illumination is needed. This item is suitable for photographers looking to expand their lighting kit with a reliable spare or a specific light modifier. Since it is a used component, its practical value lies in functioning as a cost-effective secondary head. Note that this listing is for the flash head only; check the listing for full details regarding compatible power packs, included accessories, and specific cosmetic or functional condition notes. Sunpak Bare Bulb Head 622 Pro System 651-066 Flash Head - BACKUP UNIT TESTED. Condition: Used, Made in Japan. Listed at 59.99 USD. Sunpak Bare Bulb Head 622 Pro System 651-066 Flash Head. - BACKUP UNIT TESTED. AND IT WAS CARRIED AS A BACKUP UNIT. NO FLASH BULB INCLUDED.