ITEM NAME:12" 45 DL Drive Links 3/8 Pitch 0.05" Gauge Chainsaw Saw Chain Spare Replacement 12" 45DL Drive Links 3/8 Pitch 0.05" Gauge Chainsaw Saw Mill Chain Spare Replacement SPECIFICATIONS.(Item included: 1 x Chainsaw Chain. 4) Tilt stopper teeth, reduce recoil. Gauge: 0.05". Number of Drive Links: 45. 2) The oil on the chain for rust protection and lubrication. Number of blades: 22. 3) Easy to file and sharpen deep tooth design.