Steiner 7" Right Angle Remote Cable Pressure Pad Switch for Laser Device and Battle Light Compatibility: OTAL-A, OTAL-Classic, CQBL-1, DBAL-A2, DBAL-D2, DBAL-I2 Laser devicesSPIR, Mk3, Mk4 and Mk5 (Dual Tailcap) Battle Lights Length: 7" / 177.80mm