This large pipe blind lockout device fits pipes with a 14- to 48-inch diameter. Measuring 9 3/4 x 24 3/4 inches, it features an adjustable locking arm that fits both standard and recessed bolt positions. Made with aluminum and steel, this red two-piece device can accept up to four padlocks with a 0.281-inch maximum shackle diameter. It includes two bolts and has a service temperature range of -40 Degrees C to 90 Degrees C.