DiDi/iRC Aluminum Small Cross Wrenches Sleeve 4/5/5.5/7mm Spanner T10028 Silver for HSP RC Model Car 2-Pack PART NAME:Small Cross Wrenches Sleeve Hex (4mm/5mm/5.5mm/7mm) UPGRADE PARTS: Length:50mm/1.97'' Width:25mm/0.98'',Width of Spanner:4mm/0.16'' 5mm/0.20'' 5.5mm/0.22'' 7mm/0.28'' MATERIAL:Aluminum,High Protection and Long Durability Sealing Performance, Attractive Appearance, Aorrosion resistance Suit For All Scale RC Car