'Corner Target Plate, White Plastic With Reflective Coatings, For Use With 1UDN2, 1UDN3, 1UDN4, 1UDN5, 14292 Laser Distance Meters, Use To Reflect Distance Meter Lasers When A Reflective Surface/Target Can Not Be Found, Can Be Applied To Outside Corners Of Objects For Measurements From Two Directions'