6PCS Screw Extractor Set with 3~22mm Extracting Range / Carbon Steel Bearing Steel Specifications:***² Main Material: Carbon Steel, ... be taken out² Net Weight: 200g² Extractor’s Diameter and Extracting Range: 4mm/ 3~6mm,4.5mm/ 6~8mm,6.4mm ... ,15mm/ 18~22mm. 6PCS Screw Extractor Set with 3~22mm Extracting Range / Carbon Steel Bearing Steel