To lower overall usage costs, the ALLU Screener Crusher Buckets feature changeable wear hammers for crushing applications. Universal wear hammers are used for most applications and materials. Long wear hammers are recommended for screening and aerating compost and other soft materials to increase capacity. Axe wear hammers are ideal for crushing bark and mixing compost, while oval wear hammers are designed for screening material with high stone content or when reduced crushing effect is needed. 10-mm-thick screening discs extend the life of the attachment when processing many types of material, including topsoil, black top and dirt, excavated and waste soil, contaminated soil, clay, peat, bark, compost, bio waste, demolition waste, construction waste, milled asphalt, glass, coal, oil shale, limestone and other materials.