Made of high strength steel materials that ensure durability and resilience for a lifetime in embroidery work Features needle bar sliders with a 0.01mm adjustment option that guarantee precise needle movement for embroidery patterns Equipped with black rubber gliders that extend the service life and reduce maintenance frequency as well as the cost of continuous operation Designed for a simple one, allowing users to complete the setup within 2 minutes to easily allow devices upgrades or replacements Accessory for most popular computerized embroidery machines and provides a versatile replacement addition for workshops and enthusiasts