AND Apollo GF-A [GF-123A] Multi-Functional Precision Balance with External Calibration, 120g x 0.001g - 128mm x 128mm. The A&D Weighing Apollo GF-123A Precision Balance, 120g x 0.001g is robust and durable. The GF123A features Compact Super Hybrid Sensor(C-SHS) that makes the scale compact, fast, and precise. The GF123A includes a wide range of modes to meet workflow needs.