The large opening version, of the NORMAL (OVAL) shaped MAILLON. The normal shape was developed on the priciple of a chain link fitted with manual nut opening. This shape reflects the spirit of MAILLON rapide quick link connectors. Finger tighten for a semi-permenant connection or spanner tighten for a permenant connection. Specifications � Material: Zinc plated steel � Diametre: 10 mm � Height: 105.5 mm � Opening: 20.5 mm � Weight: 157 g � WLL: 1000 kg � Break Load: 5000 kg