Carlson's Choke Tubes Choke Tube Lube 89936. Applying a small amount of Tetra Choke Tube Lubricant to your choke tube will ease cleaning reduce wear prevent your choke tubes from seizing even with steel shot loads or heavy buffered turkey loads with repeated shooting. Tetra also fights friction and improves pattern performance in all choke tubes. Specifications for Carlson's Choke Tubes Choke Tube Lube: Manufacturer: Carlson's Choke Tubes Color: White Capacity: 20 g Features of Carlson's Choke Tubes Choke Tube Lube Choke Tube Lube Package Contents: Carlson's Choke Tubes Choke Tube Lube Carlson's Choke Tubes 89936: Choke Tube Lube