Immediate Action Required – PRODUCT(S): Rebar Swivel Hook. Part numbers 01600, 01603, 01608, & 01611 Please be advised that Guardian Fall Protection SKU numbers #01600, #01603, #01608 & #01611 use a Usang Industrial Co., Ltd. Rebar Swivel Hook. Usang has notified Guardian Fall Protection and numerous other Fall Protection manufacturers in the United States of an...