Precise Crossed Ball Bearing Goniometer StageStackable with common rotation point for two orthogonal axes Secure locking machine Structure Specificationsn Item Number: WN04GM15n Rotation Range: ±15°n Platform: 65mm × 65mm (2.56" x 2.56")n Point of Rotation: 50mm (1.97") ±0.2mm/0.0079"n Drive Mechanism: Worm Gearn Travel Guide: V-Groove & Crossed Ball Bearingn Max Load Capacity: 10.0kg (22.0lbs)n ...