Danti 13pcs Precision R8 Collets Set 1/8-7/8" Mill Chuck Holder for Bridgeport .0006 The Size of R8 Collets Set : 13pcs in the package, included 1/8" 3/16" 1/4" 5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 11/16" 3/4" 13/16" 7/8". This unit is applicable to all sorts of milling machines, which spindle taper hole is R8. High precision R8 Collets Set tool: This R8 Collets Set with high Accuracy 0006" TIR. Hardened and ground processing, with great performance and long use time. Will durable and practical use. Superior quality R8 Collets Set : Machined from high standard quality material, with high lifespan and great durability. The silver color looks perfectly cool, also providing more conveniently function. Package Contents : 13pcs Precision R8 Collets Set 1/8 - 7/8" Mill Chuck Holder for Bridgeport .0006. Please Note, this set of collets do not including with RACK. Satisfaction Guarantee : If you're not 100% satisfied with your R8 Collets Set, simply return it for a full refund in 30 days, no questions asked money back guarantee. Premium Support & 3 Years Warranty.