300 x Heavy Duty Yellow Wall Raw Plugs Air Bricks Easily cut to size with

Easily cut to size with either scissors or a knife

spacious and habitable area to allow swifts to nest within the well built construction of modern houses

15 x  12mm         ( 1/2 inch )15 x  16mm           ( 5/ inch )12 x  20mm         ( 3/4 inch )12 x  25mm            ( 1 inch )6   x  32mm      ( 1 1/4 inch ) Measurement is the tool hole size

Fit the shutter with the centre spindle of the flaps in a vertical position and make sure ducting is level

45 Amp double pole

300 x Heavy Duty Yellow Wall Raw Plugs Air Bricks Easily cut to size withProduct Description Heavy Duty Yellow Raw Wall Plugs Pack of 300 Interior and exterior use. For brick stone masonry and concrete. Drill size: 5mm. Other raw plugs available in our shop. Specification: Plug size: 5mm x 25mm. Drill size: 5mm. Screw size: No. 4 8.