33 in block and tackle balance only revealing numbers are 33c

Thanks for posting. This might be our S770-33, but you'll need to obtain an undamaged version of your balance to confirm. Does your balance have a terminal clip at the bottom? Does it screw-in to the jamb track at the top? Let us know if your balance differs in any way from the S770-33 differs in any way. If it is an S770-33, you will need a stamp option of 33C.