This paddle measures 5 13/16 inches long and 1 15/16 inches wide. It is made for the 4 moving tier pyramids (5 levels) and larger by Mueller pyramids (such as the 085/057 333 395 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.