【 PROFESSIONAL DESIGN】Double handle symmetrical design, saving time and effort in the process of use, while the 6-claw coupler design is easier to close and buckle the grease nozzle, tighter, no oil leakage. 【 HIGH SERENGTH SERVICE LIFE 】Using high quality carbon steel material, play the role of corrosion and rust prevention, high strength spring to make the work life longer, durable, to achieve the long-term use effect. 【 WIDE RANGE OF APPLICATION 】 Butter gun is suitable for automobile, mechanical equipment maintenance, farm axle and transmission system, truck, industrial equipment maintenance and other hard-to-reach grease parts, also suitable for most manual grease guns. 【SIMPLE OPERATION】The fat gun coupler has a smooth and powerful 3 jaw locking function, one hand operation, lubrication without need to hold, after locking can liberate your hands, save time and effort, is a good helper for your work