1. [HIGH QUALITY MATERIAL] Made of durable aluminum with black anodized finish for long lasting use.
2. [EASY INSERTION] Equipped with locking finger screws for easy insertion of astronomical fittings.
3. [BRASS COMPRESSION SCREW] Prevent telescope accessories from collapsing when using 2-inch eyepieces or filter breaks.
4. [Portable Design] Easy to use and portable, suitable for focusing devices or 2 inch telescope eyepieces.
5. [WIDE COMPATIBILITY] Suitable for 2 inch telescope eyepieces and accessories, convenient for astronomical photography.

Data Techniques:
Features:
1. Made of high quality aluminum and black anodized, durable for long time use.
2. Suitable for 2 inch telescopes, eyepieces or accessories.
3. Equipped with locking screws for inserting astronomical fasteners.
4. The brass compression screw is used for 2 inch eyepieces and astronomical photography filters to prevent the telescope accessories from being damaged.
5. Easy to use and portable, convenient to carry and store.
Data Techniques:
Condition: 100% Brand New
Material: Aluminum Alloy
Colour: as shown
Head circle diameter: 5cm/2 inches
Bottom circle diameter: 5.8cm/2.3 inches
Total length: 7 cm/2.8 inches.
Thread diameter: 2 inch M48*0.75
Weight: approx. 114 g.

Package List:
1 x telescopic extension tube