Compare Quick view GS Tooling SKU: SMT29169 GS ER16 Collet Extension 1" Shank 5.89" OAL ER16 1"-5.89" (LOC508B) EDP: 534378 MPN: ER16 1"-5.89" Coolant Through: Yes Shank Diameter: 1" Overall Length: 5.89" MSRP: Was: Price Now $99.95 1 In Stock Quantity Add to Your List