high quality allen key set blade made of Cr-V steel, heat treated, rustproof PP+TPR handle grips available in different sizes high quality allen key setblade made of Cr-V steel, heat treated, rustproofPP+TPR handle grips with great comfortavailable in different sizes contents: T10*100, T15*100, T20*100, T25*150, T27*150, T30*150, T40*150, T45*200, T50*200