Spanners are hand tools used for fastening and loosening nuts or bolt heads with a hexagonal shape. They are typically made from hardened chrome vanadium steel or beryllium copper and comprise of a ring style spanner on one end and an open jaw spanner on the other. The ring end recess is generally a six-point or twelve-point opening and sometimes offers a ratchet mechanism that helps apply maximum force with minimal user effort.

Spanners are available in most metric sizes to allow for greater functionality across a wider range of applications. Our range includes leading brands such as Bahco, Facom, Gear Wrench, Stahlwille, Wera & RS PRO.

How do spanners work?

Spanners rely upon the physical strengths of the user to deliver accurate force when attaching the recessed head to the fastener and rotating clockwise or anti-clockwise. Depending on the material they are made from, they can often withstand large amounts of torque being applied to stubborn fasteners.

Type of spanners

  • C Spanners
  • Combination Spanners
  • Hook Spanners
  • Open Ended Spanners
  • Ratchet Spanners
  • Ring Spanners


Spanners are used by:

  • Mechanics
  • Electricians
  • Network Engineers
  • DIY Enthusiasts

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Description Price Size Spanner Type Imperial Size Overall Length Imperial or Metric Metric Size Double Ended VDE/1000V Approved Material Finish Height Safe Offset Non Sparking Type
RS庫存編號 177-999
1 in - - 203 mm - - - - - - - - - -