Sliding saws sometimes offer a scoring blade, which is a second, smaller diameter blade mounted in front of the regular saw blade. The scoring blade helps reduce splintering the lower face in certain types of stock, especially laminated stock. European models are sometimes available in multi-purpose tool configurations (Combination machine) that offer jointer, planer, shaper(Spindle moulder in Europe) or boring features. The blade arbor typically has a diameter of 30 mm, around twice that of a US saw. Many American woodworkers are likely to use a dado stack or wobble dado to cut dados (square sectioned grooves), while most European woodworkers would use a shaper or a router table for this task.