1931-1032-B,ROUND STANDOFFPLAIN BRASS1/2 RD
1931-1032-N,ROUND STANDOFFNO FINISH - NYLON1
1931-1032-PH,ROUND STANDOFFNO FINISH - PHENOL
1931-1032-S,ROUND STANDOFFPLAIN STEEL1/2 RD
1931-1032-S-12,ROUND STANDOFFCLEAR ZINC1/2 RD X
1931-1032-SS,ROUND STANDOFFPLAIN STAINLESS ST
1931-1032-SS-20,ROUND STANDOFFPASSIVATE1/2 RD X
【Mitutoyo】193-111,