Sight frame length with front and rear hood: 86mm. Sight frame length without front and rear hood: 42mm. Optical fiber specification: length 320MM, diameter 1MM. The item "X10 Compound Bow Sight 8X Scope Magnifier Replace Lens Bow for Archery Hunting" is in sale since Wednesday, December 23, 2020.This item is in the category "Sporting Goods\Outdoor Sports\Archery\Accessories\Sights". The seller is "nyliyan" and is located in Shenzhen. This item can be shipped worldwide.