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The 2-SF21 Momento 21mm Surface Drive Impact Socket, 3/4” Square Drive is designed for professional impact fastening applications where a Surface Drive socket profile is required. Built for use with compatible 3/4” square drive impact tools, this Momento Surface Drive impact socket is suitable for maintenance, repair, assembly, and industrial fastening work involving compatible fastener profiles.

As part of Momento’s 3/4” Surface Drive impact socket range, this socket provides a specialized alternative to standard impact socket designs. Surface Drive sockets are designed to engage compatible fasteners across their drive surfaces, helping provide secure contact during impact fastening applications.

The 2-SF21 Momento 21mm Surface Drive Impact Socket, 3/4” Square Drive is ideal for users who need to match the socket style to the fastener and working environment. Its 3/4” square drive connection allows compatibility with matching impact tools, extensions, and accessories used in professional fastening applications.

Choose Momento 3/4” Surface Drive impact sockets when your fastening job requires this socket profile rather than a standard, long, square, thin-wall, Torx, 12-Point, or Hex Key design. The 2-SF21 Momento 21mm Surface Drive Impact Socket, 3/4” Square Drive offers a professional specialty socket option within the Momento impact socket range.