This is actually a group of 3 identical 2 piece jump cue butts.
Butt has 2 pieces, the longer one is for close jumps and has a stainless steel pin.
The shorter piece has an aluminium pin and screws on to the longer piece for longer jumps. It also has a tapped bumper so the weight can be changed by adding a longer weight bolt.
Cue Type
Jump
Butt
Shaft
Pin
Uniloc Quick Release
Rings
None
Forearm
Carbon Fibre
Points
0
Handle
Carbon Fibre
Wrap
None
Butt Collar
Tomahawk
Construction
Hollow tube