Makita SJS II 4-1/2" Angle Grinder

Thumb Switch With Lock-On (AC) "SJS II" Technology, Variable Speed, Electronic Current Limiter, Constant Speed Control, Soft Start

• SJS II (Super Joint System II) reduces vibration and prevents kickback during wheel lock up for optimal tool and operator protection
• Electronic current limiter prevents motor burnout due to overloading
• Soft start feature gradually increases speed to eliminate start up shock
• Constant speed control maintains constant speed under heavy load
• Re-Designed gear housing for enhanced shaft lock durability
• Labyrinth construction features a complex series of channels to prevent penetration of dust and debris into the field and armature for maximum operational life
• Motor winding protection features "zig-zag" varnish on the armature and hardened powder on the field coils to act as an impenetrable barrier to dust and debris
• Rotatable gear housing can be positioned at every 90o for optimal positioning
• Removable side handle can be mounted on left or right side of tool
• Slim housing design for easy handling and maneuverability