It is a set that can rescue broken or licked bolts.
You can make a hole in the bolt with the attached pilot hole drill, 
drive in the extractor, and pull it out with the tap handle.

Item description:
Brand: TONE                                               
Item Name: Extractor Set
Part Number: ETS10
Size:
Extractors: No.1, No.2, No.3, No.4, No.5
Pilot hole drill (reverse rotation): 
1.98mm19 / 64'', 2.77mm1 / 4'', 3.96mm5 / 32'', 
6.35mm7 / 64'', 7.5mm5 / 64''
Weight: 320g
Other Details:
Case Size: 110x140x19mm

Combine Shipping:
Please request invoice when you purchase multiple items. 
Handling Time:
We ship out within 3-5 business days after receiving payment.
Tracking Information:
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Customs duty:
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These charges are the buyer's responsibility.

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About Us:
We are specialized store in Japanese Tool brand.
Please contact us if you have any question.
Ninja Tools - 忍者工具店