LABLT for 20 Pcs Set High Precison Metric R8 Collet Set 1mm to 20mm
Specifics and features: 20 Pcs Metric R8 Collet Set 1mm To 20mm. Dimension: 4 in L × 6 in W × 4 in H *Rough Estimation*. Weight: 12 Pounds *Rough Estimation*. 20 Piece set includes 1-20mm × 1mm collets. Made of high grade tool steel. Hardened and precision ground. Condition: New Threaded internally: 7/16″-20 Guaranteed T.I.R. 0.0005″ (or better) Material: Alloy Steel Item Diameter: 8.2 Millimeters Compatible Devices: Drilling Machine, Lathe, Milling Machine, Grinding Machine Package includes: 20 × Metric R8 Collet Set 1mm To 20mm .