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