• √ Premium Quality - Made of high quality alloy steel, durable to use.
• √ Easily And Quickly - Screw extractor set for easily and quickly removing broken screws, bolts and studs, etc.
• √ Meet Varied Needs - The screw extractors in different sizes to meet varied needs.
• √ Long Service Life - Remove all kinds of broken or damaged head bolts, screws, and studs. Convenient and efficient, long service life.
• √ Perfect Gift - Come with a plastic case to carry screw extractors. Straight round shank.

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Main Features: 

Removes damaged screws that can not be removed with a standard screwdriver. 
Remove all kinds of broken or damaged head bolts, screws, and studs. 
Convenient and efficient, long service life. 
Black oxide finished for durability. 

Sizes: 
NO.1: 1/8" - 1/4" 
NO.2: 1/4" - 5/16" 
NO.3: 5/16" - 7/16" 
NO.4: 7/16" - 9/16" 
NO.5: 9/16" - 3/4" 

Thread Removal Range: 
- 1/8" - 1/4": for M3 - M6 
- 1/4" - 5/16": for M6 - M8 
- 5/16" - 7/16": for M8 - M11 
- 7/16" - 9/16": for M11 - M14 
- 9/16" - 3/4": for M14 - M18 

Material: Steel 
Package Weight : 109 G / 3.84 Ounces 
Package Dimensions (L*W*H) : 60*40*20 MM / 2.36*1.57*0.79 Inches 

Package Include: 

5 x Screw Extractors 
1 x Package Box