... : 1. Material of 65Mn Steel 2. Available in 10" to 24"length 3. Gauge includes .050", .058",.063" Our advantage:1 ... totally integrated sealed nose.3· Available ranging from 10'' to 24'' lengths,slotted to gauge 0.050'',0.058''and0.063 ... .If you have your demand, we can pick it . 10"-24"CHAIN SAW GUIDE BAR