J Boats J/Boat J120
| Length | |
| Hull Type | Fin w/ Rudder on Transom |
| Rigging Type | Masthead Sloop |
| LOA | 40.00' (12.19m) |
| S.A. | 808.00 sq ft (75.07 m2) |
| Beam | 12.00' (3.66m) |
| Displacement | 13900 lbs / 6305 kgs |
| Ballast | 6000 lbs / 2722 kgs |
| Designer | Rod Johnstone |
| First Built | 1994 |