Chisel Steel for Chipping Hammers

Chisel Steel for Chipping hammers (e.g. Toku AA-1.3B，AA-3B，TYC-6B etc.)
Blade width is 19mm, almost similar to the width of steel itself.
 
There are two types of shank type. Please let us know which type you require. 
① Hexagonal shank φ 14.75 H x 60 L
② Round shank φ 17.45 × 60 L
 
Available length and unit price US$:
300mm: $10
600mm: $32