ntroduction:
1). Special aviation aluminum alloy, high strength, impact resistance, twist and pressure. Machining process.
2). Surface treatment: high-mesh sand blasting machine and color quality pure matte black or silver. Ultra-low chemical residues, attached to a solid
3). Font Handling: Font clear mission, silk screening of non-mimeo, attached to a solid
Package Contents:
46mm-58mm Step-up ring x 1
![DSC_8239-1.jpg](https://ae01.alicdn.com/img/pb/365/657/790/790657365_866.jpg)
![DSC_8241-1.jpg](https://ae01.alicdn.com/img/pb/376/657/790/790657376_025.jpg)
![DSC_8240-1.jpg](https://ae01.alicdn.com/img/pb/383/657/790/790657383_823.jpg)
![DSC_8242-1.jpg](https://ae01.alicdn.com/img/pb/390/657/790/790657390_478.jpg)
![DSC_8243-1.jpg](https://ae01.alicdn.com/img/pb/395/657/790/790657395_555.jpg)