The Mark Sender Spring Alignment Tool is a precision tool designed to accurately center springs on the armature bar when the bar is detached from the tattoo machine. Built for professional tattooers and machine builders, this tool ensures consistent alignment, improved machine performance, and long-term reliability. Engineered for durability and precision, it’s an essential addition to any tattoo machine setup or maintenance toolkit. Designed to withstand years of constant use, this compact and rugged tool delivers dependable results every time. Key Features Centers and aligns springs accurately on the armature bar Ideal for tattoo machine builders and professional artists Improves consistency and performance of coil machines Compact, durable design built for daily workshop use Specifications Two A-bar slots: Fits 3/8” and 10mm armature bars Rear spring guides: Designed for 1/2” rear springs Front spring aligning posts: Made from tough, wear-resistant nylon Rotatable and replaceable when worn Body: Rugged, compact design 3D printed in tough, UV-resistant ASA polymer Threading: High-quality brass threaded heat inserts Hardware: Includes #8-32 x 1” screws for attaching alignment posts Why Choose the Mark Sender Tool Precision alignment for better machine tuning Durable materials built for professional use Designed and tested by an industry-respected machine builder