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 radiation Excellent blue light protection Arc image radiation Excellent blue light protection Arc image dispersed throughout the curtain Allows supervision and a bright working environment Made from 14 mil transparent vinyl material Non conductive solid Nuplaglas handles are manufactured in Safety Orange for easy identification and provide electrical insulation on the job Handles are laser marked 1000V with high voltage double diamond Each tool carries a unique serial number permanently registered at Nupla Corporation 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 so as the fastener resistance increases