RedMax hedge trimmers are engineered for outstanding performance in any environment. The blades are made of case-hardened, high-carbon steel that reduces the need for sharpening. The double-reciprocating blades promise fast, clean and precisely manicured cutting in any direction. The LRTZ230 features our patented super-efficient Strato-Charged engine technology. When accuracy is the top priority look to the LRTZ230.