1.Material:40CR,CRV 2.Surface:Mirror Polished,Satin,Matt,Pearl Nickel 3.Size: 6mm-32mm 4.Lifetime ... Warranty Specifications: 1. Material: 40# Cr-V, CRV2. Surface:mirror polished, sand blasting, matt3. Size:6mm~8mm,4. Can reach the ... quantity9. Origin;Yuyao,Zhengjiang,China10. Lifetime Warranty High Quality Spanners ring and pinion gear wrench