Specialists High Performance Silicone Lubricant | 1653-24 Protects 360° valve Wide or narrow spray Waterproofs Smart Straw applicato Size: 400ml Wd-40 Specialists High Performance Silicone Lubricant 400ml | 1653-24 A High-Performance Silicone spray lubricant which is great for use on high-pressure equipment. It displaces moisture and provides excellent lubrication, protecting and extending the life of your tools and equipment. As the spray is silicone-based, it’s perfect for using on rubber parts like pipes, window seals, plumbing fittings and belts. You can even use it on metal, plastic and wood, without it leaving a stain.