Features: 1) Laminated bar 2) Suitable for 3/8", 3/8"LP, 0.325"-pitch, 0.050", 0.058", 0.063"-gauge Features:Laminated bar1 )suitable for 3/8", 3/8LP, 0.325"-pitch, 0.050", 0.058", 0.063"-gauge chains2) Length range from 6" to 20"3) High-quality steel for strength, durability and resistance to wear Guide Bar