The LENOX 800RDG DIAMOND Reciprocating Saw Blade with a narrow kerf design for thinner faster cuts The cutting edge features nickel alloy brazed diamond particles that help to maintain sharpness so it keeps on cutting long after conventional carbide grit fails Fitted with a durable chrome alloy backing steel that provides extra stability LENOX DIAMOND blades cut cleanly through cast iron tile granite and other abrasives unlike bulky snap cutters which crush pipes and leave ragged uneven cuts