This sledge hammer features a special insert with "Stand-Up" that was incorporated into the housing. Application Areas Gardening and landscaping, paving, floor tiling Material insert 1: TPE-soft, blue non-marring soft insert 2: Composite rubber, black, with "Stand Up" medium hard impact cushioning odorless low-wear Housing: Cast iron Handle: Wood Dimensions OAL: 31.5" Head Length: 6.89"