Part of our Ultimate Collection, our highest quality products available. As part of our Triad Quest, team up with two other purchasers for all three purchasers, or purchase three sabers from our Ultimate Collection to get 50% off. Dimensions: -7/8 inch blade suitable-Total Length about 270mm-Speaker MAX : 25mm-ID: 1 inch-OD: 38mm-Main material: Brass , Stainless Steel , Aluminum Alloy What's PreKit PreKit is a pre-installed hilt we offer. It has a blade connecter, chassis connecter, and switches installed in the empty hilt. Once you purchase the pre-hilt, just plug our chassis set in, and you can play it. Neither wiring nor welding is needed. We offer regular chassis, which can be used in many other Ultimate Collection sabers. Have the PreKit now and enjoy the fun! Compatible with sabers purchased from other providers that have a PreKit setup. For full installed Neopixel: The new UW Asteria V2.5 soundboard installed,. Fully customizable and all parameter can be defined by users in TF card. Smooth swing supported Neopixel RGB Color changing 12 Preset banks and can expend to 32 banks or more 9 blade styles, 7 blade effects and 3 power up effects and 4 trigger effects. BGM support (100 audio max) Replacable chassis UltimateWorks V1.09x Update Phase1. Add PreOn stage (po files) 2. Add on-hilt volume setting 3. Add on-hilt color setting 4. Add customized folder rename 5. Add 4.oi 6. Add secondary blade ignition selectable disable function For full installed Neopixel, you will receive: - A hilt - A blade plug - A wrench - A blade tigthen screw - A USB cable - A user guide For empty hilt or prekit,you will receive: - A empty or prekit hilt - A blade plug - A wrench - A blade tigthen screw