Automotive mechanics and repair technicians face a unique range of challenges. Every vehicle is different, and every situation requires the right tool. SATA designs auto-repair equipment for these mechanics, with versatile and innovative designs to fit a range of situations. The micrometer digital calipers have stainless steel bodies and come with a protective case. Our pistol grip grease gun is perfect for lubricating small components under the hood, but can also be used on chainsaws or bikes. Any piece, from heavy-duty machinery to mini fittings, can benefit from a little care. Features: Tips are designed to ensure tighter tolerance and fit Hardened spring for consistent pressure Dual direction loading Tips are designed to ensure tighter tolerance and fit Hardened spring for consistent pressure Dual direction loading Compact and lightweight construction reduces user fatigue Unique filling nipple design with steel ball to prevent backflow Special plunger lock for safe and convenient filling .