Compatible with Spartan models:

SBBB-48
SBBB-60
SBBB-72
SGBBB-48
SGBBB-60
SGBBB-72
SSGBB-48
SSGBB-60
SSGBB-72
SSBB-48
SSBB-60
SSBB-72

Dimensions: 1-1/2"W x 2"L x 2-1/4"H