2179-440-AL,HEX STANDOFFPLAIN ALUMINUM5/16 H
2179-440-AL-7,HEX STANDOFFCLEAR IRIDITE5/16 HE
2179-440-B,HEX STANDOFFPLAIN BRASS5/16 HEX
2179-440-B-12,HEX STANDOFFCLEAR ZINC5/16 HEX X
2179-440-N,HEX STANDOFFNO FINISH - NYLON5/1
2179-440-S,HEX STANDOFFPLAIN STEEL5/16 HEX
2179-440-S-12,HEX STANDOFFCLEAR ZINCHEX STANDO
2179-440-SS,HEX STANDOFFPLAIN STAINLESS STEE