Technical Date Number of Spindles: 20 (optional: 22 spindles with Low E deletion device, Extra-polish, Servo tracking Safety Corner Cutting) Max. glass dimension: Up to 4200 Min. glass size: 300x300 (optional: 250x250) Glass thickness: 3~25 mm Working Speed: 0.5-12 8m/mins Width adjustment Speed: 2m/mins (optional:8m/mins)