The best splicers offer core alignment, fast splice times, durable designs, and smart features like cloud syncing and automated calibration. Top-rated models. The global handheld fusion splicer market is experiencing robust growth, driven primarily by the relentless global expansion of Fiber-to-the-Home (FTTH), 5G network rollouts, and increasing demand for high-bandwidth applications. Get machines with rapid splicing and integrated diagnostic tools. With its quick splicing time (8 seconds) and efficient tube heating (20 seconds), the fiber splicer ensures maximum productivity in field applications.