Forged from high-quality aluminum Suitable for cases and columns The front and rear sides are provided with double longitudinal ribs Particularly suitable for larger wood diameters With replaceable wooden insert and aluminum ring or wear-resistant and weather-resistant plastic insert available The insert extends the wedge effect and enables a larger spread And gap effect The aluminum ring when using wood prevents chipping when driving in Design of aluminum hollow wedge complete = aluminum hollow wedge, wood insert, aluminum ringThis text is machine translated.