4-strings electric bass from Kramer D-1 series. One of the world’s most respected manufacturers of high-performance rock weaponry, Kramer has put guitars in the hands of top shredders for three decades. Kramer got its start with cutting edge basses in the 70’s with aluminum necks and unique electronic packages. To bring back their history of amazing basses designed for today’s players, look no further than the D-1 Bass.