A chop saw comprising: a base made from sheet metal which is formed into a rectangular box like structure having an opening facing downwardly which has a work surface ; a motor unit pivotally mounted on the base ; a fence mounted on the base which traverses the work surface ; an adjustable clamp comprising a frame which is capable of being releasably attached to the work surface in a number of locations on the work surface , wherein the clamp is capable of co-operating with the fence to secure a work piece to be cut on the work surface ; wherein the work surface comprises a plurality of slots ; wherein the frame comprises at least one peg which is capable of engaging with and being held within one of the slots when the clamp is co-operating with the fence to hold a work piece; characterized in that the frame comprises a U shaped frame made from sheet metal; wherein there are two parallel rows of slots which extend in a forward and reverse direction across the work surface , each slot in one row being aligned with a slot in the other row wherein the frame comprises four pegs which are arranged in pairs in two parallel rows and which are capable of engaging with four slots , two in each row of slots ; wherein, formed on the base of each side of the frame are two L shaped pegs having the same dimensions as each other; wherein the pegs comprise bases and peg slots , the bases of the pegs extending rearwardly and in parallel with each other, wherein a part of the base which forms the rear edge of a slot locates within the peg slot when the peg is located in and held within that slot , the width of the peg slot formed by the pegs being slightly greater than the thickness of the sheet metal forming the base . a base made from sheet metal which is formed into a rectangular box like structure having an opening facing downwardly which has a work surface ; a motor unit pivotally mounted on the base ; a fence mounted on the base which traverses the work surface ; an adjustable clamp comprising a frame which is capable of being releasably attached to the work surface in a number of locations on the work surface , wherein the clamp is capable of co-operating with the fence to secure a work piece to be cut on the work surface ; wherein the work surface comprises a plurality of slots ; wherein the frame comprises at least one peg which is capable of engaging with and being held within one of the slots when the clamp is co-operating with the fence to hold a work piece; characterized in that the frame comprises a U shaped frame made from sheet metal; wherein there are two parallel rows of slots which extend in a forward and reverse direction across the work surface , each slot in one row being aligned with a slot in the other row wherein the frame comprises four pegs which are arranged in pairs in two parallel rows and which are capable of engaging with four slots , two in each row of slots ; wherein, formed on the base of each side of the frame are two L shaped pegs having the same dimensions as each other; wherein the pegs comprise bases and peg slots , the bases of the pegs extending rearwardly and in parallel with each other, wherein a part of the base which forms the rear edge of a slot locates within the peg slot when the peg is located in and held within that slot , the width of the peg slot formed by the pegs being slightly greater than the thickness of the sheet metal forming the base . <EOS>