It enables continuous, uncomplicated variable adjustment of cutting depths and includes a 35-mm dust extraction outlet. The cutting guide's handle can be attached from either side for full protection, while its steep extraction outlet enables cutting close to edges. The Cutting Guide is a tool-free dust extraction guard for use with angle grinders.Cutting guide with dust extraction outlet• Variable Adjustment of Cutting Depths• Cutting Guide is a clamp fitting dust extraction guard for use with angle grinders• Enables continuous, uncomplicated variable adjustment of cutting depths and includes 35-mm dust extraction outlet• Cutting Guide's handle can be attached from either side for full protection• Steep extraction outlet enables cutting close to edgesSpecifications:Diameter mm: 230