The Multi-Tork Quad-Side A/Solar Side B Socket Tool (MT-101) is a service tool from Multi-Tork, selected for pool and spa repair work where the right tool helps simplify installation, removal, or adjustment. The listed part number is MT-101, making it easier to match this item against an existing component, parts diagram, or previous service record. Before ordering, compare the product title, part number, dimensions, and application details against the original part and the equipment documentation. Correct part matching is important for any repair because small differences in size, port style, thread type, voltage, color, or model compatibility can affect installation and performance. This item is best used as a direct replacement where the application details match the existing component. If you are unsure about compatibility, compare photos, measurements, and model information before installation. Genuine replacement style item from Multi-Tork for compatible tools applications Use part number MT-101 to help confirm the correct match Designed for repair or replacement of the matching original component Helps restore proper fit, function, and serviceability when the existing part is worn or damaged Recommended for pool, spa, or bath service where compatibility has been verified