This product is a Genuine Ricoh D074-9510 Drum Only, compatible with various Ricoh and Lanier models such as the MP C6502SP, MP C8002SP, Pro C5100s, Pro C5110s, Pro C651EX, and Pro C751. It has shipping dimensions of 20.1" x 5" x 8.3" and a weight of 4 lb 7 oz.