This RYOBI ONE+ Starter Kit 4.0 & 2.0 Ah Battery with 5-1/2 in. Circular Saw Kit is the perfect addition to your power tools collection. The kit includes two lithium-ion batteries with a capacity of 4 Ah and 2Ah and a voltage of 18 V.
Starter kits usually sell for 160-190 online.
The circular saw blade diameter is 5 1/2 inches, and the starter kit includes two batteries.