A reliable piston stop block plug tool designed for 10 mm – 14 mm spark plugs on 2‑stroke and 4‑stroke small engines. This double‑ended steel tool locks the piston in place, making flywheel and clutch removal on brushcutters, chainsaws, cut‑off saws, strimmers and trimmers quick and safe.
Key features
– Universal fit – works with any engine that uses a 10 mm or 14 mm spark plug thread.
– Dual‑ended design – one end for 10 mm plugs, the other for 14 mm plugs, eliminating the need for multiple tools.
– Heavy‑duty construction – hardened steel body resists wear and provides a firm grip on the piston.
– Easy to use – simply insert the appropriate end into the spark plug hole and turn the crankshaft; the piston stays locked while you remove the flywheel or clutch.
Why it matters
Keeping the piston stationary prevents accidental rotation that can damage the crankshaft or cause injury. This tool is a must‑have for anyone performing routine maintenance or repairs on garden power equipment.
Specifications
– Material: Hardened steel
– Length: 120 mm (overall)
– Ends: 10 mm & 14 mm spark plug compatible
Whether you’re a professional technician or a DIY enthusiast, this piston stop block plug tool delivers the precision and durability you need for hassle‑free engine service.





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