RYOBI 18-Volt ONE+ Cordless Rotary Tool Kit with 1.5 Ah Battery & Charger (P460K1SB) Drop Ceiling Grid A: They are partially threaded

A: They are partially threaded to provide a stronger grip and reduce shear

Some users mentioned the assembly process requires careful attention to detail

cased white glass

it includes the interior thumbturn and Plymouth knob

not recommended directly over existing tile or vinyl per spec sheet

RYOBI 18-Volt ONE+ Cordless Rotary Tool Kit with 1.5 Ah Battery & Charger (P460K1SB) Drop Ceiling Grid A: They are partially threaded18V ONE+ Cordless Rotary Tool Kit A versatile cordless rotary tool station powered by RYOBI ONE+ 18V. Delivers variable speed up to 34,000 RPM with a 36 in. flexible shaft for precision work. Includes 33 accessories, 1. 5 Ah battery, and charger for ready to use convenience. Key Features: High Speed Performance: Variable speed up to 34,000 RPM for cutting, grinding, sanding, polishing, and more Precision Flexible Shaft: 36 in. pen style shaft