Thank you for viewing! New carbon fiber extension compatible with Predator cues, 8/4/2 inch, with bumper, set of 3, brand new. ★Weight: Approximately 65g (excluding bumper) ★Length: 21CM (approximately 8 inches) ★Bumper bolt weight: Approximately 12g ★Weight: 60g (approximately 2.12oz) ★Length: 9.5CM (approximately 4 inches) ★Weight: 53g (approximately 1.87oz) ★Length: 5.5CM (approximately 2 inches) Please feel free to ask any questions in the comments.