GIBRALTARTom Mount Memory Lock SC-HML1 hinged

Will this memory lock fit my pacific drum tom rack ?holder

what size memory lock should i buy for a 10.5mm L rpd ?

So this is a memory lock for 10.5 mm or 3/8" rod & its 3" long x 2" wide x 2" thick. Is that about righ, as it seems somewhat large for a memory lock?

What is the max diameter size of each ring? hope these fit any or common cymbal stand. i got tama,pearl,sonor,dw