Nakanishi NSK IR-310 Twist to Open Quick Change Ring Type Handpiece Castaldo Genuine Swiss Made—not merely Swiss

Genuine Swiss Made—not merely Swiss Pattern

Do not mix in paper or wooden containers

Interchangeable lens design compatible with Eschenbach monocular frames

Stiff body maintains crisp edges for beveling and flank finishing

High capacity and accuracy: 1000 g capacity with 0

Nakanishi NSK IR-310 Twist to Open Quick Change Ring Type Handpiece Castaldo Genuine Swiss Made—not merely SwissThe NSK IR 310 is a precision ring type handpiece engineered for quick, tool free bit changes on compatible NSK micromotors. Its twist to open, twist to close mechanism allows for fast collet access without the need for wrenches or additional tools, keeping workflow smooth at the bench. At 3 1 2" long and 1" in diameter, this handpiece offers a balanced, ergonomic profile suited for detailed engraving, grinding, drilling, and finishing work.