• Three most popular flip impact sockets, each featuring 2 sizes in one tool
• Drop forged chrome molybdenum steel for strength and durability
• For use with 1/2 inch drive extended anvil shank impact tools or included 1/2 inch drive x 3 inch extension
• Thinner walls provide better access in tight areas
• Sizes: 17, 19 & 21 mm, 3/4, 13/16 & 7/8in.
• Rounded corners for a tighter grip
• Storage / carrying case
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