Tremix Vibrator Screed type R 21 E is an electric, high-frequency vibrator provided with a single screed board. It is designed for vibrating and levelling in confined spaces such as repair jobs, house garages and small rooms. The vibrator has a steeples vibration frequency which makes it suitable for most concrete consistencies as well as for vibrating and levelling the top course on existing base floors. Tremix poker vibrators should be used together with the R 21 E for thick concrete layers. The vibrator screed is provided with an ant vibration handle. The vibrator can be turned 90º for horizontal vibration. The screed board is an aluminium profile, specially designed for the R 21 E. It is possible to replace the aluminium profile by a wooden screed board. The screed board is available in standard lengths of 1.6, 2.1, 3.2 and 4.2 m. The R 21 E vibrator screed is a robust and reliable machine which saves time and effort.