Senshi Japan's 2 hole punch bag ceiling hook bracket, now featuring our heavy duty D shackle, made from top quality metal allowing the bag to remain secure at all times. Now painted with high quality black coated paint, due to the hook being substantially long and strong users are now able to hang bags that weigh up to 150KG from this hook. Users are able to hang the ceiling hook outdoors and indoors on simply just a ceiling beam.