ITEM: 1mm x 10mm C6 Modular Connection ER16 Collet Chuck SECO. MANUFACTURER: SECO. BRAND: Seco. MANUFACTURER PART: 02827278. 1mm x 10mm C6 Modular Connection ER16 Collet Chuck 4.449 OAL, 75mm Projection, Balanced to 60,000 RPM, ThroughSpindle Coolant (MOQ1, Pkg Qty1)CATEGORIES: Maintenance, Repair and Operational (MRO) Supplies. Rotary Tool Holders & Accessories. Collet Chucks & Accessories. N/A. KEYWORDS: SecoRotary Tool Holders & AccessoriesCollet Chucks & AccessoriesCollet ChucksN/A.