Grey Pneumatic 1121UM Standard Universal Impact Socket, 3/8" Drive, 21 mm, 12 Point

Grey Pneumatic 1121UM Standard Universal Impact Socket, 3/8" Drive, 21 mm, 12 Point

• Grey Pneumatic 1121UM is a standard universal impact socket designed for 3/8" drive impact tools and ratchets when extra access angle is needed on 21 mm fasteners. The universal joint body helps reach hardware around obstructions while maintaining 12 point engagement for common automotive and industrial service work.
• Features:
  • 3/8" drive universal impact socket helps access fasteners at an angle in tight or obstructed areas.
  • 21 mm socket size supports common metric fasteners used in automotive and equipment service.
  • 12 point opening supports engagement on compatible 12 point and 6 point fasteners where 12 point access is preferred.
  • Standard length universal design supports general service use when a low-profile universal is not required.
  • Designed for use on 3/8" drive impact tools and ratchets, not a replacement part for another SKU.
• Specifications:
  • Manufacturer: Grey Pneumatic
  • Part Number: 1121UM
  • MPN: 1121UM
  • UPC: 729440462734
  • Category: Hand Tools
  • Subcategory: Impact Sockets
  • Product Type or Function: Standard universal impact socket
  • Drive Size: 3/8"
  • Socket Size: 21 mm
  • Point Count: 12 point
  • Dimensions: A 24 mm, B 30 mm, C 13 mm, D 11 mm, E 53 mm
  • System Compatibility or Application: Designed for 3/8" drive impact tools and ratchets to service 21 mm metric fasteners where a universal joint socket is needed for angled access.
• The Standard Universal Impact Socket can also be referred to as 3/8 drive universal impact socket, 21 mm impact swivel socket, 12 point universal impact socket, metric universal impact socket, and impact u-joint socket.

Grey Pneumatic manufactures impact sockets and related hand tool accessories used in automotive repair, industrial maintenance, and equipment service, with a focus on sockets and drive tool solutions for professional environments.

Q: What tools can I use this socket with?
A: It is designed for 3/8" drive impact tools and can also be used with 3/8" drive ratchets and extensions when an impact-rated universal socket is desired.

Q: What fastener size does it fit?
A: It fits 21 mm metric fasteners.

Q: What does the universal design help with?
A: The universal joint allows the socket to operate at an angle to reach fasteners around obstructions or in tight access areas.