Institutional Castor - Synthetic, Series 5920 Tente Series 5920 LINEA light double-wheel bolt-hole castors are manufactured from high grade synthetic materials and incorporate a double ball bearing precision swivel head, and grey polyurethane tyre. M10 threaded blind-hole stem bolts (suitable for furniture) are included with the LINEA castors which can be removed without removing the castor wheel. The polyamide castors can accept a static load of 200kg, and a dynamic load of 100kg, and the design enables furniture of a lower height to be moved more easily across softer surface flooring. Series 5920 LINEA castors offer a number of benefits that include the following: Lower height installation making the castor design suitable for furniture use Smooth castor and body surface that reduces the accumulation of dirt build-up and enables easy cleaning