MLAY 600*4 Lifting Magnet Dual Hook for stabilityLock on and offMagswich TechnologyReplaceable pole shoesUse Single Hook for lift to sheer Grip Cap.: 1/2 in [Max]Working Load Limit: 762 lbHeight: 6 1/2 inLength: 9.200 inWidth: 8.900 inWt.: 18 lb