Great tool to have, with a different size on either end.Simply place a small amount of dough in the tart tin, dust end of the tamper with flour, push dough down, turning Tamper slightly and you have a nice tart dough shell.Measures 6"/15cm in length.Large end: 1 5/8" diameter.Small end: 1 1/8" diameter.Solid wood construction.Wipe clean with a damp cloth.