The router table insert plate made of aluminum alloy,durable and not easy to rust.(CHECKING SIZE ON THE PICTURE!!!) Simple Operation Application: Suitable for 62 * 70mm Installing Hole Distance Woodworking Router, such as for M372, 3709/3703MT370, M1P-FF-6/02-6/03-6/04-6, R3-6, wu619, etc(CHECKING SIZE ON THE PICTURE!!!) The router table plate dimensions is 235mm x 120mm x 8mm / 9.3''x 4.7''x 0.3''.(CHECKING SIZE ON THE PICTURE!!!) Easy-to-use woodworker milling table inserts. Please pay attention to the size before buying. For some Woodworking Routers with special installation hole spacing, please pay attention to the reserved slots on the back. You need to make holes for installation. If you have any questions, please come to consult.(CHECKING SIZE ON THE PICTURE!!!) ATTENTION--Please check the size of our plate to make sure if it matches your router.The detailed sized is on the second picture.The unit of measurement is mm.(WARNING!!!!!!)