1 quick dilivery 2 good quality of the products 3 environmental 4 precise tolerence 1.Material:Aluminum; 2.turning tools for metal lathe; 3.Tolerance:0.01-0.05mm; 4.Lead time:in 20 days; 5.Package:Standard Lead time10-20daysdiameterH:10*W:2*L:5 TO your requiremnet or darwing treatmentAu,Zinc,Silver,nickle,,,torlerance+-0.005mmprocess type bending and turning