The slanted adjustment tooth dampens the kickback. The Vibe-Ban frame shape reduces vibration in the grips by 25% or more. LubriLink tie links help keep the oil where it is needed in the chain. The Lubriwell oil holes on all drive links help distribute the oil along the entire length of the blade flange groove. Recommended for light commercial saws powered by a combustion engine with a blade flange length of 30 - 40 cm (12 - 16).