Check the listing for details. 2x Countersunk 40mm Shallow Rectangular Pot Magnets | Gate Latch Door Catches. Condition: Brand New. Listed at 20.86 USD. Magnetic Product Description:This rectangular pot magnet has a length of 40mm, a width of 13.5mm, a height of 5mm, a diameter (1) of 3.3mm and diameter (2) of 6.5mm. The length between the centre of each countersunk hole is 30mm. This magnet has a weight of 18.4g and a pull force of 17kg. Uses for our Rare Earth Rectangular Countersunk Pot Magnets:This rectangular pot magnet is a neodymium magnet encased inside a chrome plated steel channel. The steel channel also protects the magnet from being damaged during day to day use. This magnet measures 40mm in length, 13.5mm wide, and 5mm in height with two countersunk hole which has a diameter of 6.5-3.3mm. Both versatile and practical, these rectangular pot magnets have a countersunk hole on their north pole and hold very well against steel surfaces. Perfect for mounting, home improvement, DIY projects such as a tool holder. A popular use for these magnets is as cabinet door or shower door catchers.