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

Newly engineered design now features 6061-T6 Aluminum cylinder construction for lightweight durability. Enhanced valve system rated at over 3,000 psi. Develops a true 10X pressure multipler to produce over 1,500 psi from a 150 psi air source.

Our Aviation Piston Ring Compressor features a quick-change design to speed up piston ring installation. It includes the famous Hastings Ring-O-Matic® pliers and bands that operate in all positions: not just vertically or horizontally.

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.

We would like to introduce our new Dual Squeezer Kit! This kit features everything our popular SDRS-KIT has but instead of just a 3" yoke we added the whole 3" squeezer! Now you will get our best selling Stainless Steel Rivet Squeezer with a 1 1/2" yoke,

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.

Tandem ATS C-Squeezer delivers twice the force of a standard unit at the same pressure. Squeezes up to 1/8" steel rivets or 3/16" aluminum rivets. Includes 3" yoke. Accepts all squeezer sets with .187 shank. Requires 80-90 psi.

Professional Riveting contains everything needed for riveting. Complete kit includes ATS-3X Pro Riveting gun plus: 4 bucking bars, 5 Straight Rivet Sets, 4 Offset Rivet Sets, Custom Molded Case, and more...

4PC Tungsten bucking bar kit containing our most popular bucking bars. ATS6005, ATS6006, ATS6007, ATS6008, and comes in custom foam lined case.

For all Continental and Lycoming engines. Adjustable type to work on all series engines. Ring installs on rockers and "C" collar compressor spring to allow keeper removal.

7 piece kit in sizes: #3, #4, #5, #6, #8, #10, & #12. For use in assembling stratoflex series 300, aeroquip 303, 491 hose fittings. Chrome Plated.

Range 10-100lbs. Cable sizes: 1/16"-1/4". The extremely small size of this tensiometer permits entry through small openings, and allows accurate readings on cables located in confined areas.