Tehniskie dati:
Plakanā acs: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 26, 27, 28, 30, 32 mm
Gredzens TORX: E6xE8, E10xE12, E14xE18, E20xE24
Bentā acs: 6x7, 8x9, 10x11, 12x13, 14x15, 16x17, 18x19, 20x22
C veida gredzena tips: 10x11, 12x13, 14x15, 16x17, 18x19
Daļēji atvērts: 8x10, 9x11, 10x12, 13x14, 15x17, 16x18