Snafu hexagon pegs jet fuelmachined 6061 t 6 alloy core with holes for extra lightness 4130 chromoly outer sleeve lightweight anti twist hex washers that will fit 10mm and 14mm axles features length 100mm wall 12mm material 4130 chromoly and 6061 t 6 alloy axle size 10mm and 14mmbuysnafu componentsfrom chain reaction cycles the worlds largest online bike store