16" long 1/2 " wide. Markings 14B USB.

Thanks for posting. See either the S380-15 or S385-15 to start. The difference between these two balances is the 'depth' of the bottom nylon shoe. Measure your old balance's shoe depth to see what matches best. For a stamp option choose 1420.

Comparison of the S378, S380 and S385 balance shoes.