Product description 4" Hole Core Bit | Total Tools CanadaDiameter: 100mm10pcs TCT bladesWith 1pcs 110mm adaptorWith 1pcs 8X110mm masonry drill bitPacked by color boxWeight: 35.86 lbsDimensions: 13.39 × 11.81 × 9.45 inPCS/SBOX: 1PCS/CTN: 12