From HB Racing:
The HB Racing Multi Function Tool is an essential pit tool that punches perfect vent holes in tires (1/10 and 1/8 punch sizes included), securely holds shock shafts without scratching the finish (3/4/5mm shafts), holds 1/8 shock bodies and caps for maintenance, and allows the assembly and disassembly of uniballs. The MFT is precision machined from aluminum and anodized black. And, it’s spring loaded and can be locked with a body clip.
Compatible with: 1/10 and 1/8 cars.