Seiko SK-6B Pre-Tension Spring CS-8078 Pre-Tension Spring for Seiko SK-2B. Also for Singer 132K. Part No. CS-8078 Seiko / Consew Class Pre-Tension Spring Part No CS-8078 is the beehive spring that sits on the tension unit above the main tension unit. Trojan Sewing Machines Supply Equivalent Walking Foot Machines. Model Excel JY-253. All with modern designs and the latest technology. All competitively priced.
