These are Made-to-Order, which takes 3-5 business days until it item is ready to ship out.
 
2" Diameter Pounding Head M16x1.5

Acetyl copolymer pounding head (black) mounted to a 304 stainless flange. Measures 3 inches in diameter with a height of ~3.25 inches (including flange).  Mounts to a pneumatic shaft with M16x1.5 threads.