1990-2520-AL,ROUND STANDOFFPLAIN ALUMINUM5/8
1990-2520-AL-22,ROUND STANDOFFCLEAR ANODIZE5/8 R
1990-2520-AL-24,ROUND STANDOFFBLACK ANODIZE5/8 R
1990-2520-B,ROUND STANDOFFPLAIN BRASS5/8 RD
1990-2520-N,ROUND STANDOFFNO FINISH - NYLON5
1990-2520-PH,ROUND STANDOFFNO FINISH - PHENOL
1990-2520-S,ROUND STANDOFFPLAIN STEEL5/8 RD
1990-2520-SS,ROUND STANDOFFPLAIN STAINLESS ST