ALPIDEX 10 climbing holds Sloper This set contains 10 Sloper of the sizes M and L. Suitable for advanced and experts. Colours: You can order the holds in the following colours: red-mottled, green-mottled, yellow-mottled, white-mottled, blue-mottled or in assorted colours (if you choose this option you obtain the holds in a mixture of the five mentioned colours). An unusual manufacturing procedure makes every single hold unique.