12PCS Screw Extractor & Drill Bit Guide Set Broken Bolt Fastener Remover Tool

Screw extractor(6pcs): 3-6, 6-8, 8-11, 11-14, 14-18 and 18-25. Type of Thread: Reverse spiral, tapered, coarse thread. Material: Secondary Construction ; HSS drill bits;. 1 x Plastic Case. Drills:3/32, 1/8, 3/16, 1/4, 5/16, 3/8”.

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