SAW CHAIN IDENTIFICATION Pitch, gauge, and drive link count are the key dimensions for matching a saw chain to a chainsaw bar and sprocket. Pitch is the average distance between two rivets. Common saw chain pitches include 1/4", .325", 3/8", and .404". Gauge is the thickness of the drive link that fits into the guide bar groove. Common gauges include .043", .050", .058", and .063". Length is normally identified by the number of drive links, so counting the old chain is the most reliable way to confirm replacement length.
	Semi-Chisel Cutter Semi-chisel cutters use a rounded working corner for smoother cutting and better tolerance in dirty or dusty wood. This cutter profile is easier to maintain, more forgiving with filing angle, and suitable for homeowners, farms, orchards, and general-purpose cutting.
	Full Chisel Cutter Full chisel cutters have a sharp square-corner profile designed for fast, efficient cutting in clean softwood. This style provides quick and precise cuts, making it a strong choice for users who need higher cutting speed and can maintain the chain regularly.
	There are three common cutter sequences: standard, semi-skip, and skip. Each sequence is designed for different cutting conditions and guide bar lengths. Why choose Semi-skip tooth or Skip tooth chain? Semi-skip and skip sequences help improve chip flow, reduce the number of cutters to sharpen, lower cutting resistance, and reduce load on the power head when using longer bars.

OEM Replacement Table

Technical Specification Table

Compatibility Section:Echo chainsaws / Stihl MS170 / MS180 / MS181/Husqvarna small saws/Pole saws

What does 3/8 LP .050 mean?

When you see a chainsaw chain specification like 3/8 LP .050, it describes three key technical parameters: pitch, low profile design, and gauge. Each of these directly affects how the chain fits your chainsaw and how it performs during cutting.

Understanding these terms helps you choose the correct replacement chain and ensures safer, smoother, and more efficient operation.

1. What saw does this fit?

The 3/8 LP (Low Profile) chainsaw chain is designed for small to medium lightweight chainsaws.

It commonly fits:

✔ Electric chainsaws

Home electric saws

Corded and cordless models

✔ Small gasoline chainsaws

Entry-level 30–40cc engines

Homeowner-grade saws

✔ Pole saws

Extendable pruning saws

Tree trimming tools

✔ Common compatible brands (depends on bar spec)

Stihl (MS170, MS180, MS181 type small saws)

Husqvarna small homeowner series

Echo lightweight chainsaws

Poulan / Homelite models

⚠️ Important:

Final fitment always depends on pitch + gauge + drive link count, not brand alone.

2. Is this safe for beginners?

Yes — 3/8 LP chains are widely considered beginner-friendly chains, especially compared to full-chisel professional chains.

Why it is safer:

✔ Low Profile design reduces kickback risk

✔ Smaller cutter profile gives better control

✔ Smoother cutting with less aggressive bite

✔ Lower power requirement from the saw

Best for beginners:

Home users

Garden maintenance

Light firewood cutting

Pruning and trimming work

⚠️ However:

Even “low kickback” chains are still dangerous if used incorrectly. Proper safety gear is always required:

Helmet with face shield

Gloves

Chainsaw chaps

3. What is the difference between .043 and .050?

The main difference is gauge (drive link thickness).

✔ .043 gauge (1.1mm)

Ultra-light cutting system

Used on smaller electric saws

Best for pruning and light trimming

✔ .050 gauge (1.3mm)

More durable and stable

Better for general-purpose cutting

More widely used in homeowner saws

Simple conclusion:

.043 = lighter, faster, but less durable

.050 = stronger, more stable, more common