Including five separate colour-coded Peenuts of varying weights and sizes. The larger surface contact area that the nuts allow for makes them very well suited to softer rock types. Great for when a standard nut won\'t quite cut it. 1 (red): 4kN strength, 8g weight, 6.5-11.5mm range2 (grey): 5kN strength, 9g weight, 6.8-12.1mm range3 (purple): 5kN strength, 10g weight, 7.8-12.7mm range4 (green): 8kN strength, 16g weight, 8.9-13.2mm range5 (silver): 18kN strength, 18g weight, 9.2-13.9mm range