The Ryobi PBLMT51B is an 18V ONE+ HP brushless oscillating multi-tool with a 3.8-degree oscillation arc and variable speed from 10,000 to 20,000 OPM, making it capable of precision cutting, sanding, scraping, and grout removal. Tool-free blade changes let you swap between the included plunge cut and flush cut blades in seconds, and the LED worklight illuminates the work surface in shadow-prone areas. A lock-on button reduces hand fatigue during extended tasks, and the brushless motor delivers better efficiency and longer motor life than brushed multi-tools. Sold as a bare tool, it is intended for ONE+ 18V battery owners expanding their accessory lineup.
Does the PBLMT51B come with a battery?
No. The PBLMT51B is the bare tool only — no battery or charger is included. It is compatible with all Ryobi 18V ONE+ batteries. If you need a complete kit, the PBLMT51K1 includes a 2.0 Ah HP battery and charger.
What blades are compatible with the PBLMT51B?
The PBLMT51B accepts all standard oscillating tool accessories with a universal fit interface. Ryobi-branded blades mount tool-free via the quick-release system. Third-party blades with a universal shank are also compatible, though some may require an adapter.
What is the oscillation angle of the PBLMT51B?
The PBLMT51B has a 3.8-degree oscillation arc. A wider arc removes more material per stroke for faster cutting, while a narrower arc provides more precision. At 3.8 degrees, it balances speed and control well for general-purpose use.
What tasks can I do with this multi-tool?
The PBLMT51B handles plunge cutting (drywall, wood, plastic), flush cutting (door casings, nails, bolts), grout removal, sanding, scraping (caulk, paint, adhesive), and detail work in tight spaces. The variable speed dial lets you match the OPM to the material.
How does the PBLMT51B compare to brushed oscillating multi-tools?
The brushless motor runs more efficiently, generates less heat, and lasts significantly longer than a brushed motor. In practical terms, you get more runtime per battery charge and can expect the motor to last longer before requiring service — a meaningful advantage for a tool used for repetitive or extended work.
# Ryobi ONE+ HP 18V Brushless Oscillating Multi-Tool (Tool Only) **Model:** `PBLMT51B` **Brand:** Ryobi **Category:** Oscillating Multi Tool > The Ryobi PBLMT51B is an 18V ONE+ HP brushless oscillating multi-tool with a 3.8-degree oscillation arc and variable speed from 10,000 to 20,000 OPM, making it capable of precision cutting, sanding, scraping, and grout removal. Tool-free blade changes let you swap between the included plunge cut and flush cut blades in seconds, and the LED worklight illuminates the work surface in shadow-prone areas. A lock-on button reduces hand fatigue during extended tasks, and the brushless motor delivers better efficiency and longer motor life than brushed multi-tools. Sold as a bare tool, it is intended for ONE+ 18V battery owners expanding their accessory lineup. ## Specifications | Attribute | Value | |---|---| | Voltage (V) | 18 | | Platform | ONE+ HP | | Motor Type | Brushless | | No Load Opm | 10,000-20,000 | | Oscillation Angle Deg | 3.8 | | Blade Change | Tool-Free | | Tool Only | Yes | | Batteries Included | 0 | | Battery Included | No | | Charger Included | No | | Length (in.) | 11.7 | | Weight (lbs) | 1.9 | | Warranty | 3-year limited | ## What's Included - (1) RYOBI ONE+ HP 18V Brushless Oscillating Multi-Tool (PBLMT51B) - (1) Plunge Cut Blade - (1) Flush Cut Blade - (1) Sanding Pad - (3) Sandpaper Sheets (60, 80, 120 grit) Source: https://www.jaspecs.com/ryobi/oscillating-multi-tool/pblmt51b-ryobi-18v-one-hp-brushless-oscillating-multi-tool-tool-only/