Sold as individual piece.
Arm Springs are found on our YC-Series L-Bar sealers. There are two arm spring versions (Part# YCL-23 and YCL-23a). Arm springs are compatible with the following models:
YC-300HL - Total on sealer: 4 Springs (2pcs YCL-23 / 2pcs YCL-23a)
YC-450HL - Total on sealer: 4 Springs (4pcs YCL-23)
YC-600HL - Total on sealer: 8 Springs (2pcs YCL-23 / 6pcs YCL-23a)