Set Of 6 Pieces, Size Range 5/16" To 6". Double action (self centering). Contact point ends are hardened tool steel and precision ground on a radius of the smallest hole the gauge will enter.

Quick Charge APU/Charger is designed to supply filtered DC bus power through standard APU receptacle in private and commercial aircraft. Delivers 14 volts at 25 amps to power 12 volt aviation systems.

Complete Screw Knocker Kit includes "Woodpecker" Screw & Bolt Remover, 1/4" Hex Adapter, and 4 bits. Great for removing frozen screws, bolts, and nuts. Fits all rivet guns with a .401 Parker Taper shank. 4" long.

1/4-20. 1/4 in hole diameter, 20 threads per inch. Includes 24 inserts, insertion tool, and tap.

Cuts holes in metal, wood, plastic, and hardwoods from 1" to 5-1/2" diameter. Complete with 3/16" steel bit and 1/4" pilot drill. 5/16" drill shank. Note: we strongly recommend the use of a drill-press and appropriate safety gear when using this tool.

This professional gasket punch set offers everything you will need to make effortless punch holes in gasket material, leather, canvas, cardboard and soft sheet metal .

#20 (0.1610), Cobalt, 135 degree split point, jobbers length. Overall length 3-1/4". Pack of 12 each.

Cleaner/remover for Magnaflux SK416 and SK816 Spotcheck kits. 12oz aerosol can.

This tool simplifies magneto timing on TCM (Continental) series C85, C90, and O-200 engines. No protractor on the spinner required, or other complicated tooling. Simply place it over the prop nuts and sight down the casing split to set the timing.

Powerful full-ratcheting crimper with safety release and adjustable crimp pressure. Very comfortable rubber handles and ergonomic design makes it easy to install multiple terminals. Crimps BNC, TNC Mini-UHF, RG-58, 141, 142, etc.

3" wide by 1-1/2" reach. Bends and flattens metal easily, overhead or in confined areas. Makes permanent, tight fitting seams. Scaled depth marks on jaws are in 1/4" increments. Jaws are made of drop forged high impact steel and are nickel plated.

Cobalt drill bit 6-pack. #21 diameter, 135 degree split point. Jobber length. A set of 6 cobalt drill bits envelope packaged for your convenience and savings.