Porzana supplies two sizes of ringing pliers made specifically for use with its range of split bird rings. The small pliers have 5 holes suitable for closing rings from 2.0 to 7.0 mm in diameter whilst the large pliers should be used for all rings greater than 8.0 mm diameter. We also supply circlip pliers for the removal of rings
Porzana also supplies three sizes of steel wing rules 150mm, 300 mm and 600mm with riveted end-stops suitable for wing-length and general measurements. We also supply a 130 mm plastic rule. Additionally we also supply 150 mm 300 mm steel tail rules.