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