DescriptionSecuFast Tricle M4 x 9 BH A2 Type A Features SecuFast Tricle M4 x 9 BH A2 Type A Type of screw Machine screw Head type Roundhead Diameter 4 Lenght 9 Material SS A2 Bit Tricle M4 Related products SecuFast Tricle Bit M4 Type A SecuFast Tricle Bit M4 Type A