Our 6" 3/8" LOW PROFILE™ Pitch, .043" Gauge Guide Bar is designed with a smaller radius nose for easy access in tight spaces and engineered with lightweight materials for easy maneuvering. The narrow kerf bar offers more cuts per charge versus standard kerf bars to help maximize battery efficiency. This bar is recommended for use with our M12 FUEL™ HATCHET™ 6” Pruning Saw (2527-20) and 6" 3/8" LOW PROFILE™ Pitch, .043" Gauge Saw Chain (49-16-2732) and fits saws with an A041 tail mount & narrow kerf chains of the same pitch, gauge, length, and drive links.