Peenuts are designed to compliment standard Wallnuts/rocks in the smaller sizes. Due to their offset design they are particularly good in peg scars and tapered cracks.
No.s 3-5 are similar in size to Wallnuts and are therefore anodised in the same colours.
| Size | Weight (g) | Colour | Strength |
| 1 | 9.4 | Red | 4 |
| 2 | 9.7 | Grey | 5 |
| 3 | 10.1 | Purple | 5 |
| 4 | 16 | Green | 8 |
| 5 | 18 | Silver | 8 |