The 429-150-002 Floor Spotter Fixture Kit contains parts for single safety tether attachment mounted to the FWD center cabin roof. The 429-150-003 Floor Spotter Fixture Kit contains parts for single safety tether attachment. It is acceptable to install 429-150-003 Floor Spotter Fixture Kit at any B.L. position and at any seat track station location. For multiple safety tether attach points, a maximum of (3) 429-150-003 Floor Spotter Fixture Kits can be installed on any seat track station location. Each Fixture Supports 300 lbs. of total weight