Product basic info Primary colours: Black Diameter unit: 5 mm Depth unit: 5 mm Height unit: 5 mm Width unit: 3.8 mm Weight unit: 0.0391 g Material: ABS Physical properties Internal width: 2.9 mm Inner diameter: 3 mm Internal height: 4.4 mm For LED diameter: 3 mm Technical data Mounting type: Chassis mounting Operational properties Diameter mounting hole (mm): 4.4 mm (EN)