This is item no. SE6400. This is a 1/2" OD X 1/4" ID router collet. This will fit any router with a standard 1/2" collet bore. This will bush the shank down to 1/4". The overall length is 1 1/4", and the 1/2" section is 1 3/32" long. Shipping via USPS or UPS. I do combine shipping wherever possible. I do ship internationally. Just email me and I will quote shipping to your country.