10 Stück Distanzscheiben 28 x 40 x 1 mm DIN 988 Passscheiben Unterlegscheiben Ausgleichscheiben Distanzscheibe : Amazon.de: Baumarkt
V Groove Bearing, 10 PCS V624ZZ Metal V Groove Ball Bearing Wheel with Straight Roller Bearing Pulley for Rail Track Linear Motion System (4×13×6mm ): Amazon.com: Industrial & Scientific