1681T-440-AL,ROUND STANDOFFPLAIN ALUMINUM1/4
1681T-440-AL-7,ROUND STANDOFFCLEAR IRIDITE1/4 R
1681T-440-B,ROUND STANDOFFPLAIN BRASS1/4 RD
1681T-440-B-12,ROUND STANDOFFCLEAR ZINC1/4 RD X
1681T-440-B-5,ROUND STANDOFFNICKEL 1/4 RD X 11
1681T-440-N,RND STANDOFF #4-40 NYLON 11/32"
1681T-440-S,ROUND STANDOFFPLAIN STEEL1/4 RD
1681T-440-S-12,ROUND STANDOFFCLEAR ZINC1/4 RD X