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IRWIN Bi-Metal Blue blades combine the best of two metalselectro-welded together:

The edge of the blade is made from High Speed Steel, which ismuch harder than standard carbon steel, and has
been shown to last up to THREE TIMES LONGER in user trials onplasterboard / drywalling, roofing, insulation, flooring and otherheavy-duty materials.

The bulk of the blade is made from spring steel, which canresist pressure applied from the side without snapping.

The safest blade in use, is generally a sharp one it takes lesseffort to cut, and therefore greater control can be maintained.

This blade stays sharp up to 3x longer than standard blades.

High-Speed Steel Edge.
Heat treated to greater hardness for longer life and edgesharpness.

Fits all standard knives.

DescriptionCodePrice INC VATBasket
Irwin Bi Metal Knife Blades Pack Of 10 1050424110504241£5.75
Irwin Bi Metal Knife Blades Pack of 10 10504241