This is the official patent pending Max Stick retriever suction cup ball attachment. The attachment comes in 2 different variations:

• Small (M5 Screw) This thread is found in 16 ft (actual length) telescoping poles (eg. Retrievers sold by Dynamic Discs, MVP Disc Sports, Hive Disc Retriever, Amazon, etc.)
• Large (M6 Screw) This thread is found in 18 ft (actual length) telescoping poles (eg. Kwik Stik XXL, etc.). Will NOT fit 18 ft pole found on Amazon.

Telescoping pole is NOT included.