Check the listing for details. 8pcs CAT40-ER16-2.76" COLLET CHUCKS balanced to G2.5/25000RPM #B25-CAT40-ER16. Condition: New. Listed at 199.00 USD. DESCRIPTION: "CNC Tooling" Brands---The Best Quality on The Market---Sold Many Thousands to Distributors to put on famous label. *This set including: 6pcs CAT40-ER16-2.76" COLLET CHUCKS balanced to G2.5/25000RPM #B25-CAT40-ER16 Precision Dynamic Balanced to G2.5/25000RPM Super high speed tool holders 0.0001" Runout Free shipping in USA mainland. We sell balanced ER16 collets, ER16 nuts, CAT40 retention knobs; all $5.00/each !!! Please contact us directly thru eBay system if any shipping or quality issues. We always do our best to satisfy customers 100%. Please do not leave negative feedback or open return request before communication with us. We appreciate your cooperation for giving us opportunity to show our quality service! Froo www.froo.com | Froo Cross Sell, Free Cross Sell, Cross promote, eBay Marketing, eBay listing Apps, eBay Apps, eBay Application