KLLO ACRK-1 Air Conditioning Line Repair Kit. Includes ratcheting metal tube cutter and 12 in aluminum repair tubing in 5/16, 3/8, 1/2, 5/8, 3/4 in. Compatible with Kledge-Lok and Splice-Lok. New kit with replenishment packaging for easy restocking. DIY and professional A/C repairs.