Amazon.com: A/C Line Splice Repair Tools Replacement for Dorman 800-640 800-641 800-642 A/C Line Repair Splice Connector 5/8 inch 3/8 inch 1/2 inch : Automotive
Amazon.com: 800-641 Line Splice Connector Splicer Coupler For 3/8'' Aluminum Lines, A/C Air Conditioning Repair Splice Connector (For 3/8'' Aluminum Lines) : Automotive
#6 x 8mm (5/16) Line repair kit
AC Line Repair Kit 3/8", Repair AC Lines, AC Tube Repair, Flexible AC Splice Kit | eBay
AC Line Repair Kit 8mm 24" Metric, AC lines, AC Line Splice, Flexible AC Line | eBay
Amazon.com: AC Line repair kit 3/8" Tube Outer Diameter, 12" Tube Removal Repair Length : Automotive
Amazon.com: Replace for 800-643, Air Conditioning Repair Splice Connector fits for 5/16 in. Aluminum Lines : Automotive