ProPneumatic Tools ProPneumatic Tools Powered By Mayhew MayhewPro offers a complete line of products for use with pneumatic air hammers, including scrapers, punches, and hammers that are available in assorted blades and lengths. Available in a multitude of sizes and shapes to address a variety of applications Finished in black oxide for additional rust protection Both .401” and .498” Parker shanks Made in the USA ProPneumatic Punches ProPneumatic Chisels ProPneumatic Hammers Pneumatic Retainer Chuck Pneumatic Scrapers Automotive Shake 'n Break Pneumatic Hang Tag