KRS-1560L-4 is a crimping tool for Solar connectors like MC4™ and similar connectors, Ø 4 mm/.157", with openbarrel conductor crimp 1.5 - 2.5, 4.0, 6.0 mm²/AWG 16 - 14, 12, 10. This tool also exist in versions for MC3™ and SOLARLOK™ connectors. (MC3™ and MC4™ are trademarks owned by MultiHolding AG, Switzerland. SOLARLO