This BIG bloc is one tough sloper, it can be used as a big ledge. Turn it upside down and you have a tricky sloping ledge to try stand on or palm off. It has a big open handed radius 

it is 50cm x 44cm and comes out the wall by about 15cm

Made of hollow Dannomond

You can pick a colour, the option is above the price

This hold is screwed on (screws not included)