XEWEA 39PCS Screw & Bolt Socket Extractor Set with Left Hand Drill Bit Set

Versatile Application for Multiple Fastener Types: Designed to work with various fastener types including broken bolts, stripped screws, rounded-off bolts, socket screws, nuts, studs, and fittings in automotive and household applications. Durable Chrome Molybdenum Alloy Steel Construction: Made from high-quality chrome molybdenum alloy steel for superior strength and durability when removing rounded, stripped, or damaged bolts, nuts, studs, and fittings. 13-Piece Bolt Socket Remover Set: Bolt Nut Extractor Set includes sizes 3/4"(19mm), 11/16"(17mm), 5/8"(16mm), 9/16"(14mm), 13mm, 1/2"(12mm), 7/16"(11mm), 10mm, 3/8"(9mm), 5/16"(8mm), 1/4" to meet various needs for car repair or home repair. Multi-Spline Screw Extractor with High Hardness: Features high hardness and good toughness with spiral flutes that embed themselves to increase grip as resistance increases. Multi-spline extractors in sizes: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32". Screw Extractor and Drill Bit Kit for Damaged Fasteners: Removes rusty or damaged screws with ease. Screw extractor kit: 1-6#, Drill bit kit: 3/32", 1/8", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32". Left Hand Cobalt Drill Bits with Reverse Spiral Design: The Reverse Spiral Groove is designed to buckle downward to provide maximum grip for use with screw extractors to remove broken studs, bolts, and socket screws. Comprehensive 39-Piece Extractor and Drill Bit Set: Includes 10pcs multi-spline screw extractors, 10pcs left hand cobalt drill bits, 5pcs spiral screw extractors, 13pcs bolt extractors, and 1pc hex adapter. NOTE: Cobalt drill bits should not be used for stainless steel.