4mm-18mm Screw Extractor Set Pipe Bolt Stud Remover Removal Tool 5pcs Product Name : Screw Extractor;Material : Metal Colour : Black, Silver Tone;Screw Tap Extractors Type : 4m- 6mm/1/8"-1/4"6-8mm/ 1/4"-5/16"8-11mm/ 5/16"-7/16"11-14mm/ 7/16"-9/16"14-18mm/ 9/16"-3/4" Total Size : 8 x 1cm/ 3" x 04"(L*D)5 x 0.4cm/2" x 0.16" (L*D) Net Weight : 93g Package Content : 5 x Screw Extractor