Advanced sleeve design with staggered lines and distinct figures for precise and easy readability Large thimble diameter with distinct figures Balanced frame and thimble design for easy handling and better readability Ring-type knurled lock nut for quick and sure locking Hollow tubular frame design combining lightest possible weight with rigidity Extremely hard and stable one-piece spindle Interchangeable anvils for diversified gaging Standards with insulated grips Micro-lapped measuring faces Quick and easy sleeve adjustment.Includes:Case