Features: Lightweight and Durable: The shaft sleeve adapter is made of high quality aluminum alloy material, which is light-weight and durable. Widely used: appropriate for motors, computer virus equipment boxes, etc., can be used to lessen pace loss and upgrade package efficiency. Excellent alternative parts: The worm field adapter is suitable for many worms and might even be used as a substitute section for outdated or damaged worms. This adapter is used to collect the motor shaft with the input gap of the computer virus tools reducer. When putting in the 23 stepper motor onto the bug reducer, if the motor shaft diameter is 6.35mm or 8mm and the trojan horse reducer solely accepts an 11mm input shaft (input gap 11mm), the shaft adapter can be utilized before solving it to the bug reducer. Suitable for D-type (single plane) shafts. Specifications: Inner diameter: 6.35mm/8mm Outer diameter: 11 mm Material: chrome steel Color: grey The kit includes: 1 * Shaft sleeve Note:1. The real colour of the article could also be barely varied from the photographs proven on web content brought on by many points akin to brightness of your video display and light brightness.2. Please enable slight manual dimension deviation for the data.