J Boats J/125 WK
| Length | |
| Hull Type | Fin w/ Bulb & Spade Rudder |
| Rigging Type | Masthead Sloop |
| LOA | 41.00' (12.50m) |
| S.A. | 831.00 sq ft (77.20 m2) |
| Beam | 10.50' (3.20m) |
| Displacement | 10400 lbs / 4717 kgs |
| Ballast | 4600 lbs / 2087 kgs |
| Designer | Alan Johnstone |
| First Built | 1998 |