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The 4-39 Momento 39mm Standard Impact Socket, 1/2” Square Drive is designed for professional impact fastening applications where a dependable standard-length socket is required. Built for use with compatible 1/2” square drive impact tools, this Momento impact socket is a practical choice for maintenance, repair, assembly, and industrial fastening work involving standard hex fasteners.

As part of Momento’s 1/2” standard impact socket range, this socket offers a general-purpose design for everyday fastening tasks. Standard impact sockets are commonly used when fastener access is straightforward and a longer socket is not required, making them a versatile option for technicians, mechanics, and industrial users.

The 4-39 Momento 39mm Standard Impact Socket, 1/2” Square Drive is ideal for adding or replacing individual socket sizes within a 1/2” impact socket set. Its standard socket format helps provide reliable engagement with compatible fasteners while keeping the tool setup straightforward and easy to handle.

Choose Momento 1/2” standard impact sockets when you need professional impact-rated sockets available across multiple key widths. The 4-39 Momento 39mm Standard Impact Socket, 1/2” Square Drive delivers the dependable fit, drive compatibility, and everyday utility expected from Momento impact tooling.