Rennsteig Adjustable Automatic Center Punch with hand guard in round plastic tube- 180-250 N Striking Force
https://www.amazon.com/gp/product/B00KYQSYDU/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B00KYQSYDU/ref=ppx_yo_dt_b_asin_title_o00_s00?ie=UTF8&psc=1