Powerhouse Products Pro piston knockers are constructed from non-marring composite material and measure a full 13 in. long with 2 in. and 2 1/2 in. diameter ends. They achieve a 2 lb. overall weight by having a chamber loaded with steel shot that provides a dead blow effect, which has a heavy striking force without rebound. If you're looking for extremely high-quality piston knockers, look to Powerhouse products for high-quality, real-world duty tools you need.

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