LINK938-1 Features: -Contactor kit. -Installs in the K930-2 TIG Module for use with welders without a contactor. -Makes the TIG torch electrode electrically 'cold' until the Amptrol is activated. Generic Dimensions: -9.5'' H x 8.5'' W x 7.25'' D, 7 lbs. Dimensions: Overall Height - Top to Bottom: -9.5 Inches. Overall Width - Side to Side: -8.5 Inches. Overall Depth - Front to Back: -7.25 Inches. Overall Product Weight: -7 Pounds.