AC PERFORMANCE 3 AN to 20 AN Spanner Tool Set Aluminum Double Hose End Fitting Wrench Kit Set of 7

1set 7pcs as the picture shown the wrenches thickness is 10mm They feature specially formed jaws that are able to contact a fitting on four opposite sides to avoid stripping and or marring an aluminum fittings finish Made from 6061T6 aluminum and anodized in various colors for easy identification the doubleended wrenches feature a Bnut or the Snut end The Bnut is the part of the hose end that fastens the hose the Snut is the part of the hose end that fastens the fitting to the male flare Green Wrench 3S4B Silver Wrench 4S6B Black Wrench 6S8B Blue Wrench 8S10B Purple Wrench 10S12B Red Wrench 12S16B Orange Wrench 16S20B Specifically designed for AN aluminum hose ends and fittings these doublesided wrenches allow for tightening of any AN fitting with just one set of wrenches Recommendations Designed for use with aluminum fittings Using the wrench with other materials will likely cause damage.