Compatible with Spartan models:

STR-23 / 47 / 72
SST-27 / 27-12 / 48 / 48-18 / 60 / 60-24 / 72 / 72-30
SPR-50 / 72 / 93
SUR-27 / 48
SGM-49RS / 72RS
ALL BACK BARS

Dimensions: 3"W x 2-5/8"L