The assortment includes 31 pieces, comprising inserts and insert holders designed to withstand high tightening torques. The components are made from specific materials and treatments that ensure robustness and durability over time, guaranteeing reliability when used on screws and bolts with various drive types. The set allows for quick insert changes, offering versatility in use with compatible tools. The design aims to maintain fitting precision and reduce wear, optimising force transmission without deformation. This assortment is intended for professional operators who require durable and high-performance tools for applications demanding high precision and reliability.