Enhance your RYOBI 18V ONE+ System with the 18V ONE+ HP Brushless 10" Chainsaw and the 18V ONE+ HP Brushless Whisper Series 510 CFM Blower Kit. The 10" Chainsaw features ONE+ HP technology for 85% faster cutting, a 10" bar that handles up to 8" cuts, and makes up to 70 cuts per charge with a 4Ah lithium-ion battery. It includes a push-button oiler for easy maintenance and is compatible with the RY10C1 10" Replacement Chain and RYBIO24 Bar & Chain Lubricant. This chainsaw is part of the RYOBI ONE+ system, compatible with any 18V ONE+ battery. The 18V ONE+ HP Brushless Whisper Series Blower Kit offers the power of a 24 cc gas blower without the gas. It combines a brushless motor and advanced electronics to deliver 510 CFM and 130 MPH, ideal for handling damp and dry leaves and yard debris. Achieve over 1 hour of runtime with a 6Ah battery. As part of the WHISPER SERIES, it is 85% quieter than gas models. Features include a variable speed trigger with cruise control, high & low modes for power and runtime, and a speed tip for maximum MPH. This blower is also part of the RYOBI ONE+ system, and the kit includes the PBLLB01 Blower, PBP007 6Ah Battery, PCG002 Charger, Speed Tip, and Operator's Manuals, all covered by a 3-Year Manufacturer's Warranty. For replacing your 10" chainsaw chain, the RYOBI 10" Replacement Chain is compatible with most gas and cordless saws, featuring a .043" gauge, 3/8" low-profile pitch, 40 drive links, and a 5/32" file size.