The 315 Straight-Line Air Sander by Ingersoll Rand is a powerful tool with a maximum rotational speed of 3000 spm. This air sander features a 2.75" x 17.5" pad size and comes in a striking red color. Weighing 6.9 pounds, this medium grit sander is hand-powered and air-powered, making it a versatile addition to any workshop or home improvement project. With a compact package dimensions of 16.93x8.07x3.07 inches, this one-size sander is designed for precision and efficiency.