This CP3550 Series, 5'(125mm), from 3000 to 12 000 RPM, 1.5 (1100W) maximum horse power angle sander provides high performance and durability for industrial maintenance and production applications. Durable bevel gears transfer maximum torque for heavy-duty sanding jobs. The spindle lock button make it easy to change accessories. Spindle thread size: 5/8"-11. Additional features such as the rotative inlet swivel, regulated motor make this tool a perfect solution for users working in industry.