The BU-21APN is a steel automotive clip. Compatible with Mueller-brand BU-23 insulators. Connects to wire up to 8 AWG via crimp or screw connection (included).
The BU-21APS is a steel automotive clip. Has a "+" stamped through the clip. Compatible with Mueller-brand BU-23 insulators. Connects to wire up to 8 AWG via crimp or screw connection (included)...
The BU-21XPN is a stainless-steel automotive clip. Compatible with Mueller-brand BU-23 insulators. Connects to wire up to 8 AWG via crimp or screw connection (included).
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