Astro Pneumatic 5PC Set Air Saw Blades for Astro Pneumatic 129TW – 32 Teeth per Inch 5SAWR – Red Sleeve Astro Pneumatic 5PC Set Air Saw Blades for Astro Pneumatic 129TW – 32 Teeth per Inch 5SAWR included 5 bi-metal multi-purpose saw blades that come in a vinyl pouch for easy storage. Astro Pneumatic 5PC Set Air Saw Blades for Astro Pneumatic 129TW – 32 Teeth per Inch 5SAWR makes blade replacement quick and easy and can cut through pipe, mild steel, aluminum, plastic and fiber glass.