Roller Docker 115mmUse this spiky rolling pin to make small vent holes in your dough no its not a torture device! It cleverly makes small vent holes in your dough or pastry which prevents uneven rising or air pockets and blistering when baking. Most commonly used for sweet dough for pastries and tarts but can also be used for savoury applications such as pies, pizzas and flatbreads. Key Features: Made from plastic 15cm wide 0. 15cm space between pegs