Three-piece set Shaft cover lifter adjustable (number 3 pieces) allows easy installation of the shaft frame exact alignment by means of three-point storageUse of directional separation or water level on the shaft framework possible problem-free working and insertion of shaft traysTransportation and storage, space-saving usable on all common shaft frames, round, triangular, square, ovalBy using these installation devices, shaft frames can be easily and Safely inserted and aligned into the roadway via the Schachthals/Conus.Suitable for all common shaft frames of different sizes. Length: 60cm  width: 30cm&Nbsp, depth: 5cm Weight: approx. 5 to 7 kg per piece Material: galvanized steel The shaft frame lifters are functional and can be used immediately. Manufacturer unknown. Traces of use such as slight scratches and slight dirt are present (see pictures). Price determination by Internet search.