GRABO Attachment is a portable lifting attachment for ALL GRABO products (Except for GRABO H). Simply attach the Erguo to your GRABO on the four lifting lugs located on the GRABO and a secure connection has been made – The Erguo was designed to avoid putting strain on your back when bending over. (Work smarter not harder) The Erguo comes with the following – Main bracket, Support bracket and Adjustment screw.