Size 3-1/2" - 4", 120 Grit Silicon Carbide. For cylinder bore reconditioning. Provides proper finish for cylinder wall breaking without expensive fixtures.

Unibit Step Drill Bit, Cobalt HSS, 1/4" to 3/4", 9 Hole Sizes, 3/8" Shank IRWIN Unibit Cobalt is made of high speed steel, this step drill bit will last longer in the toughest of materials. Best suited for maintenance and repair work.

#7 (0.2010), Cobalt, 135 degree split point, jobbers length. Overall length 3-5/8". Pack of 12 each.

Superior for back riveting flush rivets without damage to the skin surface. Spring loaded plastic guard holds down skin while riveting. Can also be used for "straight" riveting of flush rivets. Made in U.S.A.

This precision torque screwdriver is made to hold its calibration in even the most extreme environments. Easy to read scale is accurate to +/- 6% clockwise direction. Comes with matching certificate of calibration traceable to NIST. 20-100 in-oz range.

6" long. An ATS exclusive product. Uses any electric or air drill to twist safety wire. Makes left and right handed twists with a reversible drill. Reliable and completely effective.

Crimper Die for Insulated terminals and splices (Red, Yellow, Blue Terminals).

The perfect tool for cutting and trimming studs & bolts. Features safety hood to protect against flying debris. 3" (75 mm) disc capacity, 3/8" (15 mm) mount. Free speed 20,000 RPM.

Replacement punch for ATS8300 Air Nibbler.

Dia. Of cut: 1/8"to 27/64". 1/4" shank. 100 degree cutter. High Speed Steel. The "zero flute" design is a single hole drilled through the head of the cutter, which makes it virtually chatter-free.

The OilEasy Wrench is specifically designed to remove the oil filter on any aircraft using the Continental IO-520, or IO-550 engine. It’s the only wrench that can get between the top of the oil filter and the pressure pump to remove it.

10-32 rivenut installer. Unit is simple to use and allows an inexpensive, efficient means for installing rivenuts.