We presente our saw-horses, with rollers or with balls, with piston mouvement and security stop. They are very useful because they can be used as a support in any working, for example when youa re planning longer woodpieces and there is no help, or as a support when there isn't a workbench, or in sharpie exit, or in help to the mortiser, etc. Some saw-horses are raking; these are supports also for the particular pieces shaping. Others are, on the contrary, supplied with balls that offers transversal and curve mouvements to the mobile parts. All the saw-horses are adjustables from 65 cm to 112 cm. They are important partners for hobby and professional world.