Wanyifa Titanium Ti Bolt M7 x 20mm Allen Head with Washers Bike Scewrs Pack of 4 Material: 6AL/4V(TC4)Titanium Alloy,Grade 5 Specification: M7 x 20mm Weight: about 4g/piece Color: Normal Titanium Package include: M7 x 20mm: 4pcs with washers