7PCS Double Ended AN Wrench Set Aluminum Alloy Spanner Tool for AN3 To AN20 Fittings

DESIGN: The thickness of the wrench is 10 mm, and they use specially shaped that can touch the joint from 4 opposing sides to avoid damaging the surfaces of the aluminum alloy joint. DOUBLE ENDED TYPE: Made from 6061-T6 aluminum alloy and anodized in various colors for easy identification, the double ended wrenches feature a B nut or the S nut end. B nut is used to fix the hose, and type S nut is used to secure the joint to the male . COLOR CODED: Includes B and S 2 specifications. The green wrench is 3S-4B, the silver wrench is 4S-6B, the black wrench is 6S-8B, the blue wrench is 8S-10B, the purple wrench is 10S-12B, the red wrench is 12S-16B, and the orange wrench is 16S-20B. Item Type: Double Hose Ended AN Wrench Surfaces Finished: Anodized Application: Specifically designed for AN aluminum hose fittings, 7 color coded wrenches ranging in size from 3AN to 20AN, including (B) and (S) specifications 7 color coded sizes: 1 piece 4AN to 3AN (4B-3B) - Light Black 1 piece 6AN to 6AN (6B-4S) - Silver 1 piece 8AN to 6AN (8B-6S) - Black 1 piece 10AN to 8AN (10B-8S) - Blue 1 piece 12AN to 10AN (12B-10S) - Purple 1 piece 16AN to 12AN (16B-12S) - Red 1 piece 20AN to 16AN (20B-16S) - Gold B= B type nut size S= Hex nut size