Made of chrome steel for greater resistance, Handle not included, Comes with pouch for storage. Sizes: 1 x Extractor for 1/8" - 1/4" screws, diameter: 1/8", length: 50mm, 1 x Extractor for 1/4" - 5/16" screws, diameter: 3/16", length: 57mm, 1 x Extractor for 5/16" - 7/16" screws, diameter: 1/4 ", length: 65mm, 1 x Extractor for 7/16" - 9/16" screws, diameter: 3/8", length: 75mm, 1 x Extractor for 9/16" - 3/4" screws, diameter: 7/16", length: 85mm. Hardness: 46HRc, Weigh: 100g