SoniCrafter F30 with Hyperlock tool-free blade change system provides 1 ton of clamping force to prevent blade slippage. Universal Fit System accepts other brand accessories without the need for an adapter. Higher oscillation angle of 4 deg (degree) provides accelerated speed of cut. Constant speed control for maintaining speed-of-cut under load. Vibrafree counterweight offsets vibration for smooth cutting. Variable speed dial for precision control. Includes: sanding pad (RW8938), 26 sanding sheets (RW9145), (3) 1-1/8′ standard wood end cut blade (RW8933), rigid scraper blade (RW8921), hard carrying case.