Kraft Vibrating ScreedVibrating Screed creates vibrations that levels and tamps at the same time. The time saving action of the screed vibe allows the use of a drier, and stronger concrete. The Vibrating Screed is small and portable, easy to move from slab to slab and job site to job site. Wooden screeds up to 16' are recommended for best results (sold separately). Can also be used with aluminum or magnesium screeds up to 20' (sold separately). Includes a 20' electrical