Compatible with Bison models:

BRR-21
BRF-21
BRR-46
BRF-46
BRR-71
BRF-71
BUR-27
BUF-27
BUR-48
BUF-48
BUR-60
BUF-60
BUR-72
SST-27
SST-27-12
SST-48
SST-48-18
SST-60
SST-60-24
SST-72
SST-72-30

Dimensions: 1/2"W x 1/2"L