... part to ensure the work of temporary suspended platforms. QT SLS30 safety lock for temporary suspended platforms is a crucial part ... working platform has an inclined angle of 3 ° to 8°, SLS30 will lock up the steel wire rope immediately.ModelSLS30 Safety ... <100mmLocking Rope Angle3~8°Locking Rope Speed>20m/minDeadweight7.0kg SLS30 safety lock