Random Question - T-slot Nuts and Bolts

THULE T-BOLT ADAPTER 20mmX20mm 697400 thule t slot bolts An adaptor for fitting the Thule ProRide or Thule UpRide bike carriers directly in the t-track of some BMW and Renault original load bars thule slot vervangen T Track bolts like attached The only trouble is that ones designed for roof racks are bloody expensive, £30+ for thule ones when they are

thule t slot bolts A set of 20 x 20 mm T-Track adapters are included as standard with 591 Pro Ride to directly fit Thule Aero Bars These Thule 591 T-Bolts also include the Thule