Suspension spring #78A

Clock suspension spring. Hole in top block, hole in bottom block.

Top block = 3/8" x 11/16" (17mm X 9.65mm)

Bottom block = 7/32 x 11/16 (6mm x 9.65mm)

Spring length = 5/32 (4.25mm)

Total length = 5/8" (15.9mm)