Quick view Bosch GRL 500 HCK Self-Leveling Rotary Laser Complete Kit (Discontinued) $1,179.00 The Bosch GRL 500 HCK self-leveling rotary laser kit offers fully automatic dial-in slope and centerline modes for consistent leveling to 1650 feet. Lithium-ion power is behind a system that fast charges laser and receiver at the same time... Compare