Sensor Head, Shielded, Cylinder type (with screw) M8, Sensing distance 1.5 mm, Pre-wired models.Sensing head sizeM8TypeCylinder type (with screw) Sensor Head, ShieldedSensing distance1.5 mm.Sensing head sizeM8TypeCylinder type (with screw) Sensor Head, ShieldedSensing distance1.5 mm