"91PX Chamfer Chisel chain is a low-kickback, low-vibration XtraGuard chain with an angular cutting corner that makes it an ideal choice not only for homeowners and occasional users, but also for commercial users such as arborists and utility workers. Chamfer Chisel cutters have an angular shape with twin cutting corners that offer outstanding performance along with durability and easy, forgiving maintenance comparable to round-cornered chains. This 91PX chain was formerly sold as 91VG. Chain Type 91VG, Bar Length in. 14, Chain Pitch in. 3/8, Drive Links qty. 53, File Size in. 5/32, Chain Gauge in. 0.050. Low-kickback chain Vibe-Ban chassis design reduces vibration 25 or more at the saw's handles LubriLink tie straps help keep oil where it's needed - on the chain LubriWell oil holes help carry oil around the full length of the guide bar's groove"