The ATS E50A Magneto Synchronizer is a modern redesign of the classic test instrument used by aviation mechanics around the world for over 50 years.

This time-saving kit includes our top of the line 2EM Differential Pressure Tester and the new 18MM-XT Spark Plug Port Extender for effortless leakdown testing at a great value.

Our Spark Plug Socket features a thin-walled design to get into to the tightest confines. Magnet interior guarantees that you won't accidentally drop the plug. Works with all Champion and Tempest Aviation Spark Plugs.

Our own ATS brand Differential Cylinder Pressure Tester combines the features of our popular 2E tester and a Master Orifice into one tool.

New 3882-series Cylinder Base Nut Wrenches feature a 12-point thin-walled hex head, and a 15" span for use with any Continental and newer Lycoming engines.

Great package deal featuring our 133 Microstop Countersink plus 4 pilot cutters (1000-100 series) in sizes #40, #30, #21, and #12 all packaged in a custom foam lined case.

A package of 25 pieces 1/8" (copper) CLECOLOK clecos.

Adjusting cable turnbuckles no longer has to be a dreaded ordeal, and you won't need three hands to do it. With our new Turnbuckle Rigging Kit you'll get a complete solution.

A package of 25 pieces 3/32" (silver) CLECOLOK clecos.

#40 (0.0980), Cobalt, 135 degree split point, jobbers length. Overall series 2-1/2". Pack of 12 each.

These finger ratchets have a contoured grip for comfort and power during every job. They offer a reversible ratchet mechanism. Designed specifically to reach confined spaces.

This simple tool is very well made and great for precision oiling in tight and hard to reach places and machines. The case is solid turned aluminum for extended life, and the internal needle is steel.