Horex digital pocket vernier calipers 150 200 300mm horex 2211 216 the horex digital pocket vernier calipers 150mm 40mm jaw represent the cutting edge of high class measurement technology and has been equipped with several excellent features including a locking screw 4 way measurements while manufactured to a high standard using stainless steel hardened horex 2211 216 digital pocket vernier calipers 150mm 40mm jaw