| Model | J15 | J20 | J25 | G20 Pro |
| Hoogte (cm) | 15 cm | 20 cm | 25 cm | 20 cm |
| Lengte (cm) | 65 cm | 76 cm | 85 cm | 80 cm |
| Breedte (cm) | 40 cm | 40 cm | 40 cm | 50 cm |
| Gewicht (kg) | 3 kg | 3.5 kg | 4 kg | 7.3 kg |
Graw Ramps Maattabel
| Model | J15 | J20 | J25 | G20 Pro |
| Hoogte (cm) | 15 cm | 20 cm | 25 cm | 20 cm |
| Lengte (cm) | 65 cm | 76 cm | 85 cm | 80 cm |
| Breedte (cm) | 40 cm | 40 cm | 40 cm | 50 cm |
| Gewicht (kg) | 3 kg | 3.5 kg | 4 kg | 7.3 kg |