2189-440-B,HEX STANDOFFPLAIN BRASS5/16 HEX
2189-440-N,HEX STANDOFFNO FINISH - NYLON5/1
2189-440-S,HEX STANDOFFPLAIN STEEL5/16 HEX
2189-440-S-12,HEX STANDOFFCLEAR ZINC5/16 HEX X
2189-440-SS,HEX STANDOFFPLAIN STAINLESS STEE
2189-632-AL,HEX STANDOFFPLAIN ALUMINUM5/16 H
2189-632-AL-22,HEX STANDOFFCLEAR ANODIZE5/16 HE
2189-632-AL-6,HEX STANDOFFGOLD IRIDITE5/16 HEX