Leica GDF301 Tribrach without optical plummet USD190 Product Highlights The GDF301 Tribrach without optical plummet is best for use in normal environmental conditions. This cost effective and lightweight tribrach is suitable for all light-weight instruments of low angular accuracy.Torsional stiffness < 5"Weight 800 grams (1.76 lb) 1 / 1 Dettagli Article number: 842063