Trend C208X1/2TC Intumescent Cutter Set 10mm x 40mm by Amazon.co.uk

• Cuts the perfect sized slot into door edges and door frames for fast, perfectly flush fitting of intumescent strip.

• Bearing guide ensures the correct depth and width is always achieved to meet Fire Regulations.

• 1/2in shank, for heavy duty work with bigger routers. Position of groove can be altered with the router plunge for correct setting for 30 minutes fire and smoke protection.

• PTFE coating to minimise heat and resin build up for increased cutter performance and longevity.

• 1/2in shank for use in bigger routers and heavier applications with 'K'mark shank to ensure safe working practices.