Waldent EndoPro Endomotor + Walflex 4 Packs 21mm (W3-W6) Combo

Features:-

* Automatic stop: when the resistance higher than the torque , there is no automatic reverse , and the equipment will stop working. * forward & reverse reciprocating motion: it will keep forward and reverse circularly , the time would be forward 1/2 seconds, reverse 1/4 seconds * automatic reverse & stop:when the resistance higher than the torque , the equipment will auto-reverse , and then stop after the resistance disappeared.