- Sleeper Supplies Ltd carry extensive stocks of new and used 8' 6 railway sleepers, supported by stocks of crossing timbers, telegraph poles and 4 x 4 fencing posts. Our popular Grade one used sleeper is ideal for a variety of landscaping situations and we have suitable grades for every other type of use. Any quantity can be delivered nationwide and we offer a 3 - 4 day delivery service from ...www.sleeper-supplies.co.uk