1688T-440-N,ROUND STANDOFFNO FINISH - NYLON1
1688T-440-S,ROUND STANDOFFPLAIN STEEL1/4 RD
1688T-440-SS,ROUND STANDOFFPLAIN STAINLESS ST
1688T-632-AL,ROUND STANDOFFPLAIN ALUMINUM1/4
1688T-632-B,ROUND STANDOFFPLAIN BRASS1/4 RD
1688T-632-N,ROUND STANDOFFNO FINISH - NYLON1
1688T-632-S,ROUND STANDOFFPLAIN STEEL1/4 RD
1688T-632-SS,ROUND STANDOFFPLAIN STAINLESS ST