Oka Puncture Hammer 380g

Total length: 21cm

Weight: 380g

Using the supplied discs, the weight can be adjusted from 310-380g. To do this, the hammer only needs to be unscrewed and can be supplemented with discs as desired.

Manufacturer: OKA Factory, Japan

These are professional tools. The user must have specific knowledge and experience in handling the tool. 
Improper use can result in serious injuries. Keep away from children!