The 50mm sealey bolt hole swivel castor grey model scw250sb is the compact option in the range, perfectly suited for smaller equipment, lightweight workbenches, and space-conscious applications. This medium-duty swivel castor delivers reliable mobility in a low-profile package, making it ideal for under-bench storage units, small trolleys, and compact tool chests where clearance is at a premium. Despite its smaller 50mm diameter, this castor maintains the same quality construction and performance standards as the larger models. The non-marking polypropylene and polyurethane wheel ensures floor protection whilst providing smooth, quiet operation. The swivel bolt hole design offers straightforward installation and complete 360-degree rotation for excellent manoeuvrability in tight workshop spaces. Features and benefits: 50mm wheel diameter ideal for compact, low-profile applications perfect for smaller equipment and space-saving installations non-marking wheel prevents floor damage and scuffing smooth polyurethane tread for quiet operation full swivel action for tight-space manoeuvrability 2 year guarantee* for reliable performance specifications: brand: sealey castor type: swivel fixing type: bolt hole load capacity: 40kg offset size: 25mm overall height: 70mm plate hole centre: n a plate hole diameter: 11mm plate size: n a tread width: 19mm wheel diameter: 50mm wheel material: polypropylene polyurethane