Note: The deeper the hole, the easier it is to remove the screw. Description:*The 6 piece screw extractor set works with any drill and any screw size or bolt,*Great for stripped, broken, stuck or damaged and screw removal. Screw Remover - Removes any stripped screw in 10 seconds or less! Specification: Color: Silver/Gold Material: tungsten carbide tip Length: 51 mm/ 2.01 inch Package includes: Option one:6 PCS X Screw extractors with box (Silver/Gold) (The specific size is described by the picture)Option two:5 PCS X Screw extractors with box (Silver/Gold) (The specific size is described by the picture)Option three:4 PCS X Screw extractors with box (Silver/Gold) (The specific size is described by the picture)