Home Community Equaliser Proton Pen Spring Replacement feat. Josh Herman Equaliser Proton Pen Spring Replacement feat. Josh Herman Featuring tattoo artist Josh Herman, this video shows how to replace the spring in your Equaliser™ Proton Pen. The Kwadron Equaliser™ Proton pen-style tattoo machine is available at PainfulPleasures.com. Meeseun March 21, 2018 Topics: tattoo artists Opens a new window video Opens a new window Share Share Close share Link copied to clipboard Link Copy link Featured In This Blog Sale Kwadron Equaliser™ Proton Enduro Rotary Pen Tattoo Machine Pro Price $299.99 $375.00 Add to Cart Kwadron Equaliser™ Proton Rotary Pen Tattoo Machine — Pick Color Pro Price $344.99 4 options Add to Cart Sale Kwadron Equaliser Mikron Rotary Tattoo Machine — Black Pro Price $241.92 $400.00 Add to Cart Kwadron Equaliser™ Drop Pen Tattoo Machine — Black Pro Price $444.99 Add to Cart Kwadron Equaliser™ Enduro 2 Wireless Pen Tattoo Machine Pro Price $559.99 Add to Cart Kwadron Equaliser™ Mikron PMU Tattoo Machine — Black Pro Price $444.99 Add to Cart Back to blog Opens a new window