High torque movement with metal hooks and I-shaft for reliable operation on large clocks - Drive and hand length - Long clock hands drive range from 10 mm to 450 mm - Minute hand length: 230 mm (9.1 inches) - Hour hand length: 175 mm (6.9 inches) - Suitable for dial up to 56 cm (22 inches) in diameter - Movement size and construction - Total shaft length: 31 mm (1-1/5 inches) - Thread length: 24.6 mm (24/25 inches) - Jump second movement for precise second indication - Compatible with watch panels of thickness 16 - 21 mm (5/8 - 4/5 inch) - Installation notes - Please keep the hour and minute hands parallel during installation - Check all dimensions before purchase to ensure proper fit - Key benefits - High torque design supports large dials and robust operation - Long, highly visible hands improve readability on big clocks - Jump second mechanism provides accurate, discrete seconds - Metal hooks and I-shaft contribute to durability and reliability - Use scenarios - Build a large wall clock with a dial up to 56 cm in diameter for clear visibility - Install on thick panels or cases with thickness between 16 and 21 mm - Create decorative or educational displays where long hands improve legibility from a distance