Global Reach,
Personal Service

Supplying products to construction and industry since 1982

Welcome!  We are Blue Diamond STL a family-owned business and global supplier of a comprehensive range of fast-moving, high quality goods to the construction and industrial sectors. Based in Doncaster, South Yorkshire, UK, since 1982, we offer global reach with a personal service.

Our extensive sourcing capabilities and keen pricing present customers with opportunities to extend their business scope and improve profit margins, bringing greater competitive advantage.

Our brands include ProSolve™ professional construction and industrial products, Sapphire™ shelving and storage solutions and Warrior™ towable equipment spares.

Without a doubt, having the Blue Diamond commitments of Quality and Service on our side helped Morplan to sustainable growth.

Amanda England, Morplan

Lighting & Electrical

Order before 4pm for
next day delivery

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      Product SKU: BDX1816CN

      Warrior™ Universal Trailer Tester System is designed for both leisure and industrial users to enable the speedy testing of caravan and towable equipment lighting without the need to hitch up to a vehicle, this of course makes it especially useful for caravan and towable equipment fleet users. Warrior™ Trailer Tester is designed and manufactured out […]