Block and tackle stamped 30D

Question

Not sure what brand. There are two per side and they are 30 1/8 long

Casey · Accepted Answer

Hello,

Take a look and compare our S770-30 channel balance with a 30D strength option to yours. Since I can't see the top of your balance, you'll need to make sure that yours installs with a screw through the top of the channel as shown on our product page. Thank you!