Features: Efficient Form: These unique socket adapters reduce socket drive size without increasing tool height, ideal for working in tight spaces and various applications. Secure Attachment: Equipped with magnetic fixtures to firmly keep the adapters in place on the socket, ensuring stability during use. Sturdy Construction: Crafted from strong, heat-treated vanadium steel with a manganese phosphate coating for resistance to wear and extended usability. Adaptable Functionality: Designed for both impact and hand-operated devices, providing flexibility for different mechanical tasks and applications. Nested Design: Allows for additional drive reduction when needed by nesting the adapters, offering a comprehensive solution for various mechanical needs. Specifications: Material: metal Packaging size/weight: 99290B---Self-sealing bag 10x8x5CM0.032kg 99290C---Self-sealing bag 10x8x5CM0.089kg 99290D---Self-sealed bag 10x8x5CM0.15kg Package Includes: 1xCircular Bearing Seat note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.