You will find it quick and easy to build your model boats and ships u sing this professional tool. It also helps minimize the risk of mistakes relating to symmetry of the hull. Technical data: Base size: 60cm x 20cm. Maximum length of keel: 60-80 cm ( Recommended length to 60 cm ) Maxim um thickness of keel: 5mm Model can be turned 180 degrees, which allows other work to be done such as planking. Ruler allows for ideal setting of elements. The set consists of perfectly fitted parts and assembly instructions. Wood glue is required for assembly. Tools and accessories shown in photo are not included.