These are really useful tools for anyone who needs to shape timber, or indeed soft metals, with great control. The coarse side will rapidly remove stock while the fine side will smooth the timber down until just fine scratch marks remain. Just a quick sand will give you a superb smooth result. 250 mm blade length x 29 mm width. - Almost impossible to clog even with very resinous timber, waste just falls through the lattice - Good for all wood, laminates, plasterboard, ferrous and non-ferrous metals, soft plastics etc - Made of double-edge saw blade material strips. -Very long lasting - Double-sided - coarse and fine - Cuts on push strokeAvailable in two versions. One has an extra top handle to exert more pressure and gain extra control.Great Value