Diamond Wire has all the continuous length extension springs. Diamond Wire Spring specializes in short run, quick delivery, cold-wound springs from .008" to .625" in wire diameter. They are presently stocking many springs manufactured for customer release schedules. These schedules include JIT, KANBAN, Blanket Orders and others. Once a delivery schedule is determined, Diamond Wire Spring manages your inventory for you, freeing you to do other tasks. Diamond Wire Spring prides itself in meeting and exceeding customer expectations for on-time scheduled deliveries of stock springs.