The TC345X is a four-way cable tie mounting base, made of black weather and UV resistant nylon 6.6 for temperatures up to 70°C (158°F), length of 28.6mm (1.13 inches), width of 28.6mm (1.13 inches), height of 5.1mm (0.20 Inches), screw mounting method, #6 screw size, mounting holesize of 4.3mm (0.17 Inches). Eliminates errors in pre-mounting the base due to its orientation relative to the wire bundle direction.