Mechanism: Twist type Size/Weight Length: Approx. 143mm Maximum shaft diameter: approx. 12.5mmf (excluding the clip) Weight: approx. 29g Scheduled release quantity: 250 pcs.Thank you for your understanding. This item is in the category "Collectibles\Pens & Writing Instruments\Pens\Ballpoint Pens\Montblanc". The seller is "nerinehappy" and is located in this country: JP. This item can be shipped worldwide.