The Leviton Quickport Span-In Fiber Coupler ST, SM/MM in Ivory 41084-SIF is a high-quality networking cable connector designed for optical ST connections. With a traditional style and beige color, this jack features a 0.750" length, 1.000" height, and 1.250" width. The product comes in a pack of 50 and is part of the Leviton brand, ensuring reliable performance for your networking needs. Additionally, it has interchange numbers SFSTEI (Hubbell) and 320283, providing compatibility and flexibility for various networking setups.