Amazon.com: Leveling Foot Adjuster 20 Pcs M6 x 15mm Screw On Furniture Glide Leveling Foot Adjuster for Furniture Legs : Tools & Home Improvement
Pipetec Press Fitting including Connector Copper Pipe 16x2 – 15 mm Pfuek 1615, Certified According to German DVGW Press Fitting : Amazon.de: DIY & Tools
VXB Brand, 51205 Thrust Bearing 25x47x15 Thrust Ball Bearing Bore ID Inner Diameter 25mm x OD Outer 7mm x Width 15mm: Thrust Ball Bearings: Amazon.com: Industrial & Scientific