Will new landrover defender steel wheels fit a discovery 1?
Yes they will, range rover classic, discovery 1 & Defender have the same wheel fitment.
What materials of the Blades is? If you need to grind Tungsten Carbide Blades, the Diamond Grinding-wheels should be your Best Choice. If you need to grind High Speed Steel Blades, Alloy Steel Blades or other steel blades, CBN Grinding-wheels should be your good choice. YingLong SuperHard Materials Manufactory is factory of Typed Grinding-wheels.