If you want the handpiece to hit harder unscrew the air input out like it is now and tighten with the knurled nut. If you want the handpiece to hit softer, screw the air input in and tighten the knurled nut. This is a great old handpiece, only two moving parts, a piston and a spring and easy to replace if necessary.We will make every effort to note deficiencies and to be as accurate as possible with our description, but we are not perfect. Your FEEDBACK is very important to us.
The item "GRS Gravermeister large handpiece fitted with QC (quick change) and 40 graver" is in sale since Friday, September 02, 2016. This item is in the category "Jewelry & Watches\Jewelry Design & Repair\Jewelry Tools\Engraving Tools". The seller is "southwestjewelers" and is located in Scottsdale, Arizona. This item can be shipped to United States.