The 1426 Astro Pneumatic 1/4” Heavy-Duty Hand Riveter features extra long handles for give you all the leverage you need.  It includes 5 nosepieces ranging from 1/8" to 1/4".

Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov