This method includes :
6x8x5 Aluminium collar - 1pc 2.5xM4Tx15 screw pin - 2pcs 1. COMPATIBLE NEAR 1/10 E-REVO AND SUMMIT. 2. METAL #45 MATERIAL CAN BE USED FOR SUBSTANTIALLY STRONGER EFFICIENCY. 3. ADJUSTABLE AMOUNT THROUGH 75MM TO 80MM. 4. BETTER STABILITY AND LOTS OF DIFFERENT PURSUITS COMPELLING. 5. THE METAL RINGS FOR EACH SIDES TO SECURE THE PINS