Product Name: K12 Series 4-Jaw Self-Centering Hollow Chuck Hand Tool Model NO.: K12 Type: Four-Jaw Chuck Material: Cast Iron Structure: Hollow Power: Manual Jaw Type: Optional Application: Cutting Machine Certification: ISO9001:2008 OEM: Available Trademark: San Ou Transport Package: Carton Box Specification: 5kg-50kg Origin: China HS Code: 8466939000 Product Description K12 Series 4-Jaw Self-Centering HollowChuck Hand ToolSpecificationCharacteristics1. The K12 chucks are suitable for use in processing a alrge quantity of square workpieces and eight-edged workpieces.They are remarkable for their automatic centering and quick clamping.2. The structure paremeters of these chucks are much the same as th those of K11 3-jaw self-centering chucks.FAQ1. Q: Could you supply samples? A: Yes, we can supply.2. Q: Could you produce non-standard products? A: Yes, we can. Please supply samples or drawing.3. Q:Do you have minimum order quantity? A: Conventional Products don't have. The minimum order quantity of non-standard products is 50pcs.4. Q: What's your payment way? A: T/T, Pay pal, Western Union and so on