The L-900R is the exact same pickup as the L-500R but with an EMG/Lace-style top.

Bill Lawrence L-900R RHYTHM (Exact same specs as the L-500R)
Output: High
Four conductor
Includes black mounting ring and hardware

Features:
Ceramic blade design with EMG/Lace-style top
5 year warranty
Made in the USA

Jzchak Wajcman is the sole owner of the Bill Lawrence trademark registered in California in class 9 for electric guitar pickups and in class 15 for guitars.

Disclaimer: Jzchak Wajcman dba Bill Lawrence Products/Bill Lawrence Guitar Pickups/Bill Lawrence USA is not associated with the designer Bill Lawrence since 1984.