Butterfly Groover from Slip Industries Created: November 10, 2009 Made of stainless steel Has a 1-in. deep by 1/2-in. radius Side grooves can be 3/16, 1/4 or 3/8 in. at the user's choice of location The groover can be customer made to specifications Want to know more about this product? Click here to request more information about Butterfly Groover from Slip Industries .