Pandrol Straight Stone Grinders are powerful, safe grinding tools that can be used in a wide range of applications on rail, including field welds, frogs and switch points. Four models are available – clockwise rotation (04600), clockwise rotation with trigger (04650), counterclockwise rotation (04700), and counter-clockwise rotation with trigger (04750). The models without a trigger have an on-off valve. All come in a high-strength aluminium housing with rigid handles, enhancing operator safety.