Hoffman PLEM12 Lifting Eyes - Southern Electronics Southern Electronics, Hoffman PLEM12 Lifting EyesADDITIONAL PRODUCT DETAILS Lifting Eyes are used for lifting ProLine modular frames and for fastening ProLine top accessories to the frame Lifting eyes thread into corner blocks in a frame Furnished in sets of four, Lifting Eyes are designed for overhead lifting in conjunction with shackles and a spreader bar Use of shackles instead of hooks