The 1831 track fitting is designed to be used in the F Track. You install this fitting in the F Track by separating the two plates and tipping one tab in to the F Track followed by the other side tab. Once both tabs are engaging the track tug on the strap to ensure both ends are in the F Track hole.
Working Load Limit: 500 lbs (230 kgs)
Breaking Strength: 1,500 lbs (680 kgs)
Weight: .09 lbs (.040 kgs)