These stylish Oval Magnetic Ball Stretchers from Mister B, are perfect for stretching your ball sack. The oval shape, reminiscent to a chain link, fits ‘ergonomically’ around your ball sack.
 
Opens and closes with two magnets which makes it easy to put on and take off .
 
Made of highly polished, good quality stainless steel, with no sharp edges  Inner diameter: 23mmx51 mm
 
Available in 2 different heights: 20 mm or 35 mm