Quick view 9" Diamond Grit Recip Blade for Cast Iron, Fiber Cement, Masonry, and Fiberglass DS0930DGX (Pack of 1) For cutting Cast Iron, fiber cement, masonry, & fiberglass Perma-shield coating protects the blade from heat, gumming, and corrosion Thin kerf design for fast cuts MSRP: Was: Now: $16.43 Add to Cart