Bestway Flow Clear 1500 GPH Above Ground Swimming Pool Filter Pump Measures: 9" x 4.75" x 1.25" / 23cm x 12cm x 3cm. Large roller: 4.25" / 11cm. Small roller: 2.5" / 6cm To help achieve a perfectly cooked crust, it needs to be of a uniform thickness. The Norpro Pastry/Pizza Roller is the perfect 2-in-1 tool for pies, cookies and pizza dough! The large roller smoothly rolls out dough, creating a uniform crust. Easy to use on your pastry mat/cutting board or directly in the pan! The small rollermakes it easy to fill in dough to the edges, smooths edges and sides, and ensures uniform depth around the inner rim of the pan. Also ideal to crush nuts, crackers, cookies and bread crumbs!