Our Expert Factory Trained Technicians Repair Quadra-Chek, Gage-Chek, Tool-Chek, Shaft-Chek, Force-Check,

QC-100, QC-200, QC-300, QC1000, QC-2000, QC3000,

QC-4000, QC-5000, QC5200, QC5300,

QC-10, QC-II, QC-III, SC-100, TC-10, TC-100,

TC-200, TC-2000 and more...

SJM etronics LLC. Is a Repair Service for products that are out of warranty. Founded by a former Metronics Inc. employee, who has 26 yrs experience repairing Quadra-Cheks and related products. His vast and complete knowledge of these products date back to when Metronics Inc. first started.