Hyper Tough 12" 20V Brushless Cordless Chainsaw with 20V Max 4.0Ah Battery and Charging Cable Brushless motor delivers efficient, consistent cutting performance with reduced maintenance 12" bar and chain provide a 10" single cut capacity for trimming and light-duty yard work Tool-free chain tensioning allows for fast and easy chain adjustments Automatic oil pump helps keep the chain properly lubricated during operation Chain details make replacement straightforward with Pitch: 3/8", Gauge: 0.043", and Drive Link Count: 45 Includes a 20V Max 4.0Ah lithium-ion battery with built-in USB-A and USB-C ports plus a charging cable Hyper Tough Customer Care Center: call (833) 908-2024, Sunday-Saturday, 7:00 a.m.-9:00 p.m. CST