It’s 1 1/2”. If you want to use it in 1 1/4” jacks you need to lift one jack and run leads between jack and board so you can move it inward and reduce the width.
Or, you can open each hole 1/8” towards each other. The loop jack washers are large enough to cover the larger holes.
It’s 1 1/2”. If you want to use it in 1 1/4” jacks you need to lift one jack and run leads between jack and board so you can move it inward and reduce the width.
Or, you can open each hole 1/8” towards each other. The loop jack washers are large enough to cover the larger holes.