MANUFACTURER PART NUMBER:AK3858. Model Number: AK3858. Model No AK3858. AK3858/A1: Heat Shrink Butt Connector Crimping Jaws - 0.5-1mm², 1.5-2.5mm², 4-6mm², 10mm². AK3858/A4: Closed End & Heat Shrink Crimping Jaws - 0.5-1.5mm², 1.5-2.5mm², 4-6mm².
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