4PCS 1/2”*25ψ*45L Tamper Air Socket Bit：M12,M14,M16,M18 4pc-1/2” *25ψ*78L Tamper Air Socket Bit：M12,M14,M16,M18 Steel︰8660鉻鉬鋼(磷酸鹽-錳) Packaging: 15SET/17/GS/17.4KGS/0.63
