Material letters from UK,  Brand "airtac"pneumatic parts from Taiwan.

Ferrule size:1/4″-2″                Marking scale:∮15-90mm                     Max marking depth:3mm             Hydropneumatic: ≥6bar-≤9bar           Marking speed:adjustable            Letters:100pcs                                      Neutral letters:20pcs                                                                            Dimension size:840x480x105mm   Weight:65kg