The Kerckhaert SX-10 is the first 10mm Kerckhaert shoe in a front and hind pattern punched for City and Combo Slim nails. These shoes are symmetrical and feature a full balanced toe, extra thickness, graduated widths and a 10 nail hole pattern. The SX-10 is an excellent choice if you are looking for additional strength, wear, nailing and modification options. Punched for 5 City, 5 Combo Slim and 6 Combo Slim nails. SX-10 Clipped features quarter clipped fronts and side clipped hinds. Made in Holland.