Tillett PTRI Premium Compact Sliding Seat Runner Set - Suits Inward Angle Side Mount BracketsPREMIUM CAR SEAT ADJUSTMENT RUNNER SET, MADE TO FIT UNDER INWARD POINTING TILLETT BRACKETS. The double locking PTRi adjustment runners are recommended for road use in cars without a bulkhead. These heavy duty runners allow a very small footprint and have been made to allow the seat to run as low as possible on a flat floor. All Tillett runners are designed to sit in the gap that exists under the seat base, without raising the seat dome in which the