The REGO-FIX 2616.21112.02 CYL 16x 038/ ER 11 MF is a high-quality spring collet designed for CNC machining and metalworking applications. With a focus on precision and reliability, this collet features the ER11 collet series, ensuring a secure hold on cylindrical workpieces. The REGO-FIX brand is known for its expertise in workholding and toolholding solutions, making this spring collet a trusted choice for professionals in various industries.