6mm diameter 3 Volt Miniature vibration motor stamped OTL-6 (motor size) by Jing Long. meant to be fitted as an O.E. part to toys, mobile phones, pagers etc. (would be great for fitting inside multi engined 1/72 scale static model aeroplane engines : Lancaster, fortress, blenheim... but remove bob weigh first ! ) Dimensions as measured: motor diameter: 6mm, motor body length:10.5mm, totall length inc.bob weight: 14.5mm total depth to splayed contacts < = 8.4mm (variable) Contact resistance: 37 Ohms Voltage 3.0 Volts ( tested to run freely from 1.5 Volt) *** note these do not come with a rubber shroud ** Download Jing Long motor datasheet (note:shown with a rubber shroud fitted): Status: NOS (New Old Stock) RoHS compliant: YES