Easy to use. Easy to read. Professional quality. 1195A:economy type:metal body, 2 side plastic bar chrome-plated plastic head, 1195B:economy type:metal body, 2 or 4 side plastic bar black plastic head 1195B-C:chrome-plated plastic head and metal body, 2 side plastic bar. 1195BCM:chrome-plated plastichead and metal body, 2 side metal bar. 1195C:metal body,2 or 4 side plastic bar. chrome-plated zinc head 1195D:metal head and body,4 side plastic bar Calibrated:10-50 or 10-100lbs scales selection(bar.kpa.kg/cm2.psi) pencil type tire gauge;auto tire gauge;tire pressure gauge;tire gauge