Item Specifications: Quality: 100% Brand New and High Quality; Style: Fashionable,More Sparkle,Smooth Plated base. The clear shape design is very nice, fashionable, attractive. Great helper for using, soon and conveniently. Color: As the picture showing; Material: Carbon steel; Size(mm) : As following details and picture showing; Package: Independent safety package, By the Selling kit choosed,Include: 1pcs JTO Chuck + 1pcs Tail Hole Diameter 5mm Steel Sleeve(suit for 5mm motor shaft); Or 1pcs Doulbe Bearings 775 Motor(12~36V, 4.5~5A, 11000rpm); Standard Accessories: 1pcs Drill Chuck Wrench; 1pcs L-style Wrench; 2pcs Screws(775 motor haven’t accessories); Application/spec: Works to deflect debris on a variety of applications; – The shield can be quickly adjusted into position, provides easy access to the accessory, and does not interfere with the workpiece; – Spec./parameters: The JTO Chuck, Accuracy is better than the national standard 30%; Standard radial jump: ≤0.12mm; Radial Jump Precision: ≤0.09mm; JTO drill chuck taper maximum diameter: 6.350mm; Minimum end diameter: 5.802mm, outside diameter: 21.5mm; Taper: 2º49’24.7” (2degrees 49 minutes 24.7 seconds); Clamping range: 0.3-4mm; Connection size: JT0 (inner diameter of 6mm); Drill chuck for quenching hardness about 42 and ensure the overall quenching; Inner diameter 5mm Steel Sleeve, fit for 5mm motor or drill shaft. Advantages: JTO Chuck,suit for hand drill,electric machine drill, lifting mill, DIY drill and so on; Each item will be tested before shipping out, packed well… Shipping & Service Details Items will be shipped within 3 workdays upon receipt of your payment. Items shipping out from China by you choosed shipping way,when you placed order’s did,Express way or Registered mail. Delivery time depends on destination, shipping method (express or post), it may takes up 8 to 35 business days. Item will be marked as a “Gift” and declared Lower value for shipping purpose only. Buyers are responsible for any customs duties if applicable. Please make sure your address in Aliexpress is Correct. If you want to change your address, please send us message or email as soon as you paid the payment. We care about our valued customers, and are always willing to work things out. If you have any problems, please contact us immediately before leaving us any negative or neutral feedback. We will try our best to deal it out. Thank you for your support. We will provide you service as best as we can, Please contact us through “My Messages” or “Ask Seller Questions” if you have any question about our listings or your purchase.