Vivarium glass track runners fit 6ft wide viv 1.8m long 4mm thick glass 4x 90cm.
Each length: 1.8m (+/- 2mm) sent in 4 x 90cm lengths. Runners are 1.8 long made of flexible plastic s uitable for either 3.5mm or 4mm thick glass Perspex or wood. One top length and one bottom length supplied.