Poulan 18-Inch Bar #952044418. The ideal combination of safety and performance is available in this Poulan reduced-kickback bar designed for use with 3/8-inch professional-type chains. Features a slim shape for low weight, small-radius reduced-kickback nose and professional quality nose sprocket and bearings. Symmetrical contour, reversible for longer life. Fits Poulan models 2155, 2175, 2300, 2375, 2400, 2450, 2500, 2550, 2600, P4018; Fits Poulan Pro models PP260, PPB4218, PP4218AVHD, and PP4218AVX. Uses Model #952-051338 Chain.