Thru-beam sensor (pair) OBE1000-R2-SE2-0,2M-V31-L OBE1000-R2-SE2-0,2M-V31-L Ultra-small housing design DuraBeam Laser Sensors - durable and applicable like an LED 45° cable outlet for maximum mounting freedom under extremely tight space constraints Enhanced machine availability with abrasion-resistant, antistatic glass front