The Suburban Tool MG-5CV-S1 Master Grind 5C Spin Index Fixture is a high-quality workholding and toolholding product designed for CNC, metalworking, and manufacturing applications. setup for v-block and 5C applications. Made in the United States by the reputable brand Suburban, this fixture is compatible with 5C collet series and V-Block and features a spin index design for precise and efficient operation. Ideal for businesses and industrial use, this product ensures reliable and accurate workholding for various metalworking tasks.