Features 100% High quality and Brand new.This multi chuck allows you to quickly and easily change accessories on your Dremel multitool without using collets. It accepts accessories from 0,5mm to 3.2mm shank.Allows you to quickly and easily change accessory bits on your DremelCorded Rotary Tools without changing collets.It accepts all accessory bits with 1/32 and 1/8 shanks.Eliminates need to change collets when swapping between bit sizesTwist-to-tighten/loosen with heavily-knurled grip means no wrench or key neededFits Dremel and other-brand rotary tools with 9/32" (M7) fine-threaded spindleHeat treated & tempered high-carbon steel for durability; rust-resistant black oxide finishFit Dremel 4000, 400,3000, 398, 395, 300, 285, 275, 200, 100, 8200, 800, 780, 770, 7700, 750(only for Dremel,Original Dremel,not for copy,if your grinder buy from China,this is copy,not support!) Specifications Capacity: 0.5 to 3.2mmLength: 2.2cmChuck Thread:9/32-40Diameter: 1.4cmColor: BlackMaterial: Drop Forged #45 Carbon SteelFit 6.8-7.0mm grinder shaft Package Includes 1 x Universal keyless Chuck(Packed Safely in Bubble Bag.) -SHIPPING- Item will be shipped within 24 -48 hours after full payment is received. The Item will be shipped by air mail，Normally the shippment to worldwide is used to take 20 to 40 business days, exclude Sat & Sun. -PAYMENT- We accept PayPal only. Payment must be received in 7 business days of product closing. . -WARRANTY- If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it. If is item is defective in 3 months, you can return it to us. We will send you a new replacement after receiving the defective item. -CONTACT US- If you have any questions, please feel free to email our service specialists 24 Hours a Day, 7 Days a Week, and we will reply you ASAP. If no response within 24 Hours, please check the spam of mail box or kindly re-send it to us. We greatly appreciate your POSITIVE feedback. Please do NOT leave negative or neutral feedback without any contact. If you haven't received item