Arc HTD 3M Timing Belt C - Compatibility and purpose: designed for HTD 3M pitch drive systems with C profile pulleys, delivering precise timing and reliable belt drive in compact equipment - Tooth numbers included: 366, 369, 375, 378, 381, 384, 390, 393, 396, 399 - Width options: 6, 9, 10, 15, 15, 20 mm - Tooth pitch details: 3 mm / 10 mm / 3M - Material and construction: Gummi Synchronstech for flexible, durable belt operation - Key specific detail: tooth number 384 has 128 teeth - This belt is an Arc HTD 3M Timing Belt C with the listed tooth numbers, widths and tooth pitch details Use cases - Replacing a worn belt in a compact automation cell that uses HTD 3M C pulleys, with multiple width options to match load and routing - Upgrading belt-driven axes in CNC machines, 3D printers, or robotics where a 3M pitch belt is required for accurate timing and reduced backlash - Implementing in equipment with pulleys that require specific tooth counts and widths to maintain synchronization and desired speed ratios