So they are from PMD . I guess my memory ain't so bad after all
http://www.gardentrucking.com/list.t...minal%20Blocks
Each terminal looks like the 5mm width size so probably close to 4cm long or just over an inch long....?? Send them an E and ask for dimensions. They are great people to work with.
No frame ground is just another challenge and thing to deal with when building. All part of the fun.
Mario