Specification model:

High-end chain saw with three imported chains (mixed oil)

High-end chain saw with two imported chains (mixed oil)

High-end chain saw with one imported chain (mixed oil)

High-end chain saw with four imported chains (mixed oil)

Four-punch pure gasoline with one imported chain (no mixing)

Four-punch pure gasoline with two imported chains (no need to mix)

Four-punch pure gasoline with three imported chains (no mixing)

Four pure gasoline with four imported chains (no mixing)

Four-punch pure gasoline with five imported chains (no mixing)