Specification Material: 45# Steel, 40Cr, Aluminum-plastic Color: Black, Silver Process: Heat Treatment, Fine Grinding Process Assembly Required: Yes Collet Type: ER32 Number of Pieces: 19 Collet Specifications: 2-20mm/0.08-0.78in Precision: 0.015mm Each Spring Collet Size: 33*40mm/1.3*1.57in Chuck Diameter: 12mm/0.47in, 27mm/1.06in Overall Chuck Size: 121*50mm/4.76*1.97 in Spanner Size: 250*72mm/9.84*2.83in Spanner Clamp Length: 44mm/1.73in Carrying Box Size: 34.5*27.5*9cm/13.6*10.8*3.5in Package Size: 37*28.5*11cm/14.57*11.22*4.33in Gross Weight: 4.55kg/10.03 lbs Net Weight: 4.32kg/9.52 lbs Package Included 19* Spring Collets 1* Spanner 1* Chuck 1* Carrying Box.
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