Check the listing for details. Castle C1606 Muscle Grease, 6-Pack. Condition: New. Listed at 63.99 USD. Castle C1606 Muscle Grease, 6-Pack Our eBay Store About Us Contact Us Add to Favorite Sellers Castle C1606 Muscle Grease, 6-Pack 63.99 Castle Muscle Grease takes over as a lubricant where lithium and calcium grease leave off. The aluminum complex base of Muscle Grease enables it to excel in heavy load, extreme pressure situations and over a wide range of temperatures (0° F to 350° F) without melting, hardening, or thinning. It is 100% waterproof and resists corrosion from acids, alkalis, and salt. Muscle Grease sprays like a liquid to penetrate and then sets up as durable grease. 6-pack. Warning: This product contains chemicals known to the state of California to cause cancer and birth defects or other reproductive harm. Product Details Fifth Wheels Cables Electric Motor Shafts Pulleys Hinges