2pcs 26"+19" Silicone Front Windshield Wiper Blade for Volvo V50 2004-2012 for Volvo C30 2006-2013 Windscreen Wiper OE Replacement Set All-Seasons Top-Lock / Push Button #8-32x1-5/8" The thickness of silicone tubing

The thickness of silicone tubing = ( OD - ID ) / 2

but the total capacity for 4 casters is 45kg (calculated by 3 casters )

1mm is the inner diameter

5i Premium

6L A/T Turbo Hatchback 2013

2pcs 26"+19" Silicone Front Windshield Wiper Blade for Volvo V50 2004-2012 for Volvo C30 2006-2013 Windscreen Wiper OE Replacement Set All-Seasons Top-Lock / Push Button #8-32x1-5/8" The thickness of silicone tubingDescription: Stable performance: Strictly in accordance with quality control standards, with stable characteristics and performance. Reliable quality: No Streak, Silent. Made of reliable quality material, our wipers enable smooth operation and low noise for all seasons. The wear resistant wiping edge contributes to longer service. Direct fit: Easy installation for your old or broken wiper blade, easy to install. Please check your make and model year