13 Pcs Impact Bolt And Nut Remover Set (1/4 in - 11/16 in) (8 mm - 19 mm) manufactured from chrome molybdenum for increased durability. This set is reliable, sturdy and built for long life. Key benefits and features - Durable material for reliable performance: chrome molybdenum construction provides toughness and long service life for tough fasteners. - Broad size coverage: 13 pieces spanning from 1/4 in to 11/16 in (8 mm to 19 mm) to fit a wide range of bolts and nuts. - Designed for difficult fasteners: specifically for removing bolts or nuts with heads that are rounded off, rusted, or painted over. - Versatile tool compatibility: suitable for use with hand and power tools. - Flexible usage with common tools: can be used with a 3/8 in breaker bar or ratchet, and also has flats so they can be used with spanners or wrenches. What makes it stand out - A purpose built set for recovering fasteners that standard tools struggle with, combining durable chrome molybdenum construction with a wide size range. - The flats provide additional leverage options, expanding compatibility with different tool types. - Designed to address common removal problems such as rounded, rusted, or painted-over bolts, reducing the need for drilling or replacement. 2-3 practical use scenarios - Automotive maintenance: remove rounded or rusted bolts on exhaust components, engines, or brake assemblies where standard sockets fail. - Machinery and equipment repair: free stubborn bolts on lawn mowers, trailers, farm equipment, or other outdoor machinery that have corroded over time. - Home projects and renovations: extract painted-over or seized bolts in furniture assembly, metal frames, or structural hardware without damaging surrounding material. Application and compatibility details - Size range: 1/4 in to 11/16 in (8 mm to 19 mm). - Tool compatibility: works with hand tools and power tools; suitable for 3/8 in breaker bars or ratchets; flats allow use with spanners or wrenches.