Disston E0210517 1-3/4-Inch Boxed Blu-Mol Xtreme Bi-Metal Hole Saws， 44mm<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Large openings in backing plate allows for quick removal of cut material</li><li>Wide slot designs on sidewalls and backing plate for increased visibility while cutting</li><li>1 1/2-Inch depth of cut and fleem ground teeth for longer life</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31mDkL2F-VL.jpg" noproxy>