Edge-On-Up Test Clip Base DCB10The Edge On Up DCB10 is a versatile accessory designed for use with the PT50C and PT50A Sharpness testers. The DCB10 comes included with these testers and is designed to hold DTC100 disposable test clips. It is important to note that the product only includes the base and test clips are not included. The DTC100 test clips provide a fast and consistent way to compare the sharpness levels of different edges, however it is important to note that these