Compact housing fits easliy in the hand or pouch. Easy to use Click Lock holds tape securely. Tough ABS case with rubber over mold. Rigid 1" wide nylon coated blade is double-sided. Multi-riveted double tang foot for strength. 16" and 19.2" stud markings. 0155-7MA has Metric and English markings. Note: This is not an insulated tool.