This paddle measures 5 1/4 inches long and 1 3/4 inches wide. It is made for the 3 moving tier pyramids (4 levels) by Mueller pyramids (such as the 085/016 016E 114 pyramids). The nub part measures about 5mm in diameter. The length measurement is for the ENTIRE piece: the blade and the nub at the end from tip to tip. Made in Germany.