ATT1220020A-5 Size: 5/16", Deluxe Line Disconnect Tool, for fuel & cooler lines.
ATT1220020A-6 Size: 3/8", Deluxe Line Disconnect Tool, for fuel & cooler lines.
ATT1220020A-7 Size: 3/8", Deluxe GM Cooler Line Disconnect Tool, for transmission cooler lines.
ATT1220020A-8 Size: 3/8", Deluxe Cooler Line Disconnect Tool, for cooler lines on most Ford vehicles and on 2003 to current Cadillac CTS.