FishYuan 6 Pack Single Stud L-Track Fitting with D Ring for L Track (6 Pack) L-Track Single Stud fitting (Track is not included) Delta Shaped Ring with Plastic Puller Working Load Limits: 0 deg Vertical Pull Angle: 1,000 lbs / 910 Kgs Will fill all aluminum load track. Also commonly referred as airplane track seat or simply S track Great for ATV's, motorcycles snowmobiles, cargo, furniture, and much more