YAM 1.25 Inch to 2 Inch Eyepiece Adapter Allows you to use 1.25" eyepieces in any 2" telescopes focuser, star diagonal, or holder. Specification: Model: EA Material: Fully Aluminum Color: Anodized Black copper compressing ring a chrome setscrew. This Eyepiece Adapter lets you use a telescope eyepiece of a different size from your telescope' s focuser or star diagonal. Setscrew holds the telescope eyepiece securely. Black-anodized aluminum. Use 2" eyepieces in a 1.25" focuser or diagonal. Packing: net weight: 0.054kg inner packing: white papar cartoon 45x45x95mm shipping packing: Paper Carton Also we have many models of the telescope accessory, such as telescope adater, adaters, eyepieces, focusers, diagonals and collimator eyepieces. welcome every to inquiry