Quantity x 100 - Black Cable Clips Size - Suitable for cable that has a 6-7mm external diameter Can be used with - These clips can usually be used with the following cables; CT100, WF100, PF100 and RG6 These cable clips are perfect for softer materials such as wood, they may not be suitable for some harder materials. Excellent standard of manufacture. Peace of mind - This product has been tested to CE and ROHS standards.