[DETAIL] Specification: Product name: Adjustable and reversible fixed angle sharpener Material: aluminum alloy + 45# steel Surface treatment: anodizing Sharpening stone size: 150x20x5MM Suitable for fritters can also be used in length 150MM The width can be 8-30MM The thickness can be 4-8MM can be used Sharpening angle: 15-45�� Maximum sharpening thickness: 5MM The package includes: 1 Set Sharpener��1 knife sharpener bracket+4 diamond grinding stones: 240+400+1000+2000 mesh�� 6Pcs Whetstone��6 sharpening stones: 180+400+800+1500+2000+3000 mesh�� 4Pcs Whetstone��4 diamond grinding stones: 240+400+1000+2000 mesh. [ATTRIBUTES] - Hign-concerned Chemical: None - Origin: Mainland China - Hign-concerned Chemical: None - Origin: Mainland China