The parts have never been used; unfortunately, the tensioner pulley did not fit my car model, and the return window had already expired. That is why I am listing the item for sale perhaps someone else can use it and it will fit their car. The Continental CTAM V-Ribbed Belt Set (6PK1026K1) is a high-quality car part designed for Audi, Seat, Skoda, and VW vehicles. This belt set includes a tensioner pulley and is suitable for various models, such as the ones listed in the reference number OE. With a weight of 0.684 kg and packaging dimensions of 9.5 x 16.5 x 26.5 cm, this belt set is a reliable and durable option for maintaining the timing of your vehicle's engine.