24-16-10 steel Distribution box 16-12-8Glass fiber distribution box 16-16-8Glass fiber distribution box 20-16-8Glass fiber distribution box 24-16-9Glass fiber distribution box 24-20-9Glass fiber distribution box material strength alloy steel Fiberglass Fiberglass Fiberglass Fiberglass Fiberglass External dimensions (W × H × D): 23.6 × 15.7× 9.8 inches/60 × 40 × 25cm 15.74X11.81X7.87inch (400X300X200MM) 15.74X15.74X7.87inch(400X400X200MM) 19.69X15.74X7.87inch(500X400X200MM) 23.62X15.74X9.05inch(600X400X230MM) 23.62X19.69X9.05inch(600X500X230MM) Internal dimensions (W × H × D): 23.5 × 15.6 × 8.5inches / 59.7 × 39.7 × 21.65 cm. 14.57X11.42X7.48inch(370X290X190MM) 14.57X15.16X7.48inch(370X385X190MM) 18.5X15.16X7.48inch(470X385X190MM) 22.64X15.16X8.66inch(575X385X220MM) 22.64X19.09X8.66inch(575X485X220MM) Thickness: 1.5mm 3MM 3MM 3MM 3MM 3MM Weight: 37.45lb\17kg 10.8lb\4.9kg 14.77lb\6.7kg 16.31lb\7.4kg 19.6lb\8.9kg 23.8lb\10.8kg