Home > Servos > IC Servos > HES-188 servos   HES-188 servos   : Servos HES-188 - Plastic gear (2BB)   : Servos HES-188 - Metal gear (2BB) Product Details     spec  plastic  torque speed size weight 3.5kg/cm 0.23 sec/60' 41 x 20 x 41mm 53g metal gear  torque speed size weight 3.5kg/cm 0.23sec/60' 41 x 20 x 41mm 63g      Servos HES-188 - Plastic gear (2BB)    Servos HES-188 - Metal gear (2BB)