DescriptionSecuFast Snake Eyes M4 x 20 PH A2 Features SecuFast Snake Eyes M4 x 20 PH A2 Type of screw Machine screw Head type Panhead Diameter 4 Lenght 20 Material SS A2 Bit SP-8 Related products SecuFast Snake Eyes Bit SP-8 SecuFast Snake Eyes Bit SP-8