american style floor lock,all carbon steel construction designed for heavy work rubber base size could be changed as request

material:all steel construction floor lock with zinc plated,designed for heavy work.Its bearing could be:400KGS

rubber base could help protect the working floor and fix the trolley on on the floor

size:designed for 4",5",6",8"caster ,and the extended and retracted height could be adjusted as you need

use:it help fix the trolley on the floor,even on a little slope ,it can protect the caster from long time working

caster lock