Skull Piston Bob Key
Chain - 3 Options

Copies on the market are not made from titanium and are not CNC-machined. Most are cast aluminum replicas. Avoid low-quality imitations.

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👑 The Puto Rey — formerly “Skull Piston Bob” Same spirit as the original, now crowned the Supreme King of Gasoline. A tribute piece for those who appreciate mechanical culture and old-school combustion heritage.

While electric motors continue to take over, supporters of classic internal combustion keep growing. This piece celebrates that legacy.

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• Split ring: 10 mm stainless steel
• Pin ring: brass, 5 mm external / 3 mm perpendicular hole
• Washer: brass, 1.5 mm thickness
• Crown: brass
• Piston: aluminum 6061
• Piston max diameter: 18 mm / 0.63"
• Hole diameter: 5.5 mm / 0.02"
• Plunger: 3 mm brass + M2 steel screws
• Lanyard: paracord included (2 options)
• Height: 20 mm / 0.78" (piston only)
• Weight: 6 g

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Skull Piston + Python Clip by Tec Accessories USA + stainless steel ring (open)

Skull Piston + Blackened Copper Python Clip by Tec Accessories USA + stainless steel ring (open)

Skull Piston + titanium carabiner + closed split ring

Skull Piston + titanium carabiner + closed split ring + titanium screws

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• “Closed” or “open” ring refers to whether the ring ends are secured with a weld point to prevent accidental opening under tension.
• Accessories shown in photos (knives, wallets, keychains, carabiners, pens, flashlights, etc.) are not included.