Compatible with Bison models:

BST-27 / 27-12
BST-48 / 48-18
BST-60 / 60-24
BST-72 / 72-30
BUR-27 / 48 / 60 / 72
BUF-27 / 48 / 60
BPT-44 /67 / 93

Dimensions: 2-1/8"W x 2-1/8"L x 6"H