Smart Machines 4 x Nylon Polyamide Wheels Diameter 40 mm Width 20 mm 10 mm Bearings Precision Made in EU : Amazon.co.uk: DIY & Tools
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4 Pieces Nylon Polyamide Rollers 40 mm diameter 30 mm wide 10 mm bearing Precisely Machined in the EU(40-30-10) : Amazon.co.uk: Business, Industry & Science