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  • Pack of 100 x 20mm Open Cable Grommets for Metal Boxes up to 1.6mm Thick, Open PVC Gromets

Pack of 100 x 20mm Open Cable Grommets for Metal Boxes up to 1.6mm Thick, Open PVC Gromets

Model No. OG20
Availability: Normally In Stock


List price £15.70
You save £13.50!

Free delivery

(over £100+VAT, applies to zones A and B only, £6+VAT otherwise)

This is a pack of 100 x 20mm Open Grommets, ideal for the flush metal boxes / back boxes for switches, sockets, etc.

  • Ideally to be inserted into the Box Knockouts to reduce damage from sharp edges
  • Suitable for use with metal thickness up to 1.6mm
  • Designed to prevent the chafing of the cable through trunking and electrical boxes. 
  • Diameter: 20mm
  • Pack of 100 open cable gromets

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Sparks Direct delivers via courier to the UK only; the standard delivery charge is £6 + VAT for all orders under £100 + VAT. If your order is over £120, you get free delivery (unless there's a special delivery charge for the items you wish to order or you're in shipping zone C or D). Full details for shipping charges can be found via Terms and Conditions.

If the items you order are in stock and the order is placed before 1.00pm, delivery can be made within 1-2 working days. If the items are not in stock, we will inform you via email how long it will take or ask for your confirmation if there's a long lead time.


We offer 30-day returns for unwanted items - please email us to request a returns number which will need to be quoted when the items are returned. For faulty items or items damaged in transit, please advise via email, and an appropriate returns number will be provided. Full details concerning returns and refunds can be found via our Terms and Conditions.