1890T-1224-AL,ROUND STANDOFFPLAIN ALUMINUM1/2
1890T-1224-B,ROUND STANDOFFPLAIN BRASS1/2 RD
1890T-1224-N,ROUND STANDOFFNO FINISH - NYLON1
1890T-1224-S,ROUND STANDOFFPLAIN STEEL1/2 RD
1890T-1224-SS,ROUND STANDOFFPLAIN STAINLESS ST
1890T-2520-AL,ROUND STANDOFFPLAIN ALUMINUM1/2
1890T-2520-B,ROUND STANDOFFPLAIN BRASS1/2 RD
1890T-2520-B-16,ROUND STANDOFFELECTRO TIN1/2 RD