2178T-440-B,HEX STANDOFFPLAIN BRASS5/16 HEX
2178T-440-N,HEX STANDOFFNO FINISH - NYLON5/1
2178T-440-S,HEX STANDOFFPLAIN STEEL5/16 HEX
2178T-440-SS,HEX STANDOFFPLAIN STAINLESS STEE
2178T-632-AL,HEX STANDOFFPLAIN ALUMINUM5/16 H
2178T-632-B,HEX STANDOFFPLAIN BRASS5/16 HEX
2178T-632-N,HEX STANDOFFNO FINISH - NYLON5/1
2178T-632-S,HEX STANDOFFPLAIN STEEL5/16 HEX