A nunchaku has 9 detailed specs(from handle, joint and connectors):
1. Material of Handle (Red Oak, Maple.. Etc)
2. Shape of Handle (Rounded, Box and Octagonal)
3. Type of Handle (Tapered and Non-Tapered)
4. Size of Handle (12" and etc)
5. Type of Joint (T-Swivel, U-Swivel, Looped)
6. Dynamics of Joint (Bearing, Sliding and None)
7. Plate of Joint (Rounded 2"/3", Semi-Rounded 1" and None)
8. Type of Connector (Parachord, Chain, String and Custom)
9. Size of Connector (4" and etc)