The BoSS 32842300 150mm (6 inch) Castor designed for both aluminium and GRP BoSS Towers, the castor fits on all BoSS related Ladderspan, Clima, 700 Series and Zone: 1 GRP Scaffolds Please note - next working day delivery service is available on request. Please contact us on: 01752 692760 if you wish to explore this option. Properties Brand: BoSS. Style: castor. Material: aluminium / steel.Height: 190mm. Weight:approx. 3.3kg. Features Encompassing a bright Yellow easily identifiable Polymer yellow castor within a Aluminium Adaptor.Safety brake including in the design to secure the tower during use and eliminate lateral drifting.Castor wheel should remain undamaged any cracks or damage to the castor the adaptor, the part should be replaced before use of the component.