The Dormer Solid Carbide Rotary Bright Burr Oval has the following specification:

Diameter: 6.3mm.
Shank Diameter: 6mm.
Working Length: 9.5mm.
Overall Length: 42mm.

Every product has an estimated delivery time to give you an indication when you're likely to receive your order, We use Royal Mail several service, Hermes, UK MAIL/DHL, DPD

If you're not 100% happy with your purchase or have changed your mind, you are welcome to return it for a full refund up to 14 days after receiving the item. Both the product and packaging need to be returned in the same re-sellable condition as they were received, for a full refund to be authorised. Please note - eBay buyers are liable for the return postage cost.