10 pc Spiral Extractor and Drill Bit Combo Pack, 5 64 in, 7 64 in, 5 32 in, 1 4 in, 19 64 in, Metal Index Box no checkout requiring high mechanical strength and requiring high mechanical strength and resistance to high temperatures The glass cloth is specially treated and prepared to provide corrosion free protection It will not shrink Lightweight face shield with hard hat adapter Provides reliable protection from airborne debris Extended visor protects full face and chin socket screws and fittings Aggressive left hand spiral design for extra gripping power Spiral flutes are designed to embed themselves deeper into the metal as you turn the tool the extractor's grip increases Extractor size and recommended drill bit size are etched on each tool