16" Bar & Chain Xtender. A 91VG-S56 chain type that fits stocked saws 358283, 110533, 110547 & 545973. It also fits Poulan & Shindaiwa chainsaws. ANSI B175.1-2012 specified and CSA Z62.3 certified. This guide bar and chain combination features a 3/8 inch low-profile chain that is ideal for homeowners and occasional users who want a low-vibration, low-kickback saw chain. The chamfer chisel cutters offer outstanding performance and are durable, easy to maintain, and forgiving. Made in the USA.