GP4 Small Handling Robot with 4 kg Payload GP4 is the smallest 6-axis robot in GP-series and offers high performance of flexible handling, machine tending and assembly applications, with axis speeds of up to 1000/s and payload of up to 4 kg. Providing repeatability of ±0.01 mm, suited use in the electronics sector for high precision assembly and quality testing applications. The high IP67 protection class allows it to be used for CNC machine tending even under harsh environmental conditions, and it’s small footprint and compact design.