Catch Bloc is one big hold that is great to dyno to. Its not super positive but it has a lip on it, that is great when the hold is set vertically, as its just positive enough to pull on.
it is 36cm x 19cm and comes out the wall by about 11cm
Made of hollow backed Dannomond
You can pick a colour, the option is above the price
This hold takes an 80mm bolt or can be screwed on