... Size:300-350mm Height:3mm,4mm good quality Laser Welded Ductile Iron Blades Laser Welded Demolition Blade w/vacuum brazen diamond segment. ... wet and dry.Grade of Blade:Supreme.Features: This laser welded demolition diamond blade has vacuum brazed segment with highest ... intended for Concrete, Fiberglass, Copper, Bullet-Proof Glass, PVC, Plastic, Rubber, Metal Roofs, Steel Studs, Railroad Rail, Rebar and ...