This is a Reliable U Die R12-164, It is functionally equavalent to a Burndy U164 Index 164 Die.
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U Style 12 Ton Compression Tool Dies
W Style 6 Ton Compression Tool Dies
Kearney Style Dies
H Tap Compression Connectors
Triplex Service Wedges
Aluminum Underground Splice Kits
Service Entrance Sleeves
Triplex Semi Tension Sleeves