Specification:High grade steelDurable black or silver finishesWhat's included: 20x Miniature Scale Hex Bolts (M2 x 10mm) (Silver)Special lug tool is required: Part # Z-S0626Note: These hex bolts are very small, do not over tighten them. You can use your hand if you don't have the special lug tool. We recommend the use of our special tool for best results.