Includes hooks for using on string Light weight metal body for long life String level Useful for setting out levels over large areas where precision is of secondary importance e.g. ideal for landscape gardening This lightweight aluminum level has special hooks to hold line allowing the level to slide freely and a flat bottom for surface leveling.Features & Benefits- Special hooks allow level to slide freely- Flat bottom for surface leveling- High visibility tinted liquid provides clear readings Features Product colour Silver Horizontal level vial Yes Vertical level vial No Length 0.08 m