Leica Laser Range Meter Target Plate The Leica GZM series target plate is designed to be used in combination with measurements using the Leica laser meter. Leica GZM26 (RS part number:; 126-0965 126-0965) The target plate is a two-sided specification that is useful when measuring surfaces with weak reflections. The gray surface is used for short-range measurements, and the brown surface is used for long-range measurements. Size is approximately 210 x 297 mm. Leica GZM27 (RS part number:; 126 0966 126 0966) is a target plate designed specifically for corners. The A4 plate size is ideal for use at any distance. Leica GZM30 (RS part number:; 126-0967 126-0967) is the best plate for measuring floors. The firm stand allows for easy and comfortable operation. Size: 247 x 197 mm