Medium Fornax 4.0 -- Medium silicone -- F-2672 Grinder They're made of the same

They're made of the same platinum cure silicone as all of our other toys

Widest shaft diameter (short): 1

Circumference of the shaft: 6 inches

purple blue colorshift

We've had toys in contact with them without any issue

Medium Fornax 4.0 -- Medium silicone -- F-2672 Grinder They're made of the same**Before buying, please familiarize yourself with our Store Policies and Shipping Policies. For information on silicone firmnesses, please visit the Our Silicone page.** Medium Fornax 4. 0 Firmness: Medium (0050) Color: gray, black Approximate Measurements: Total length: 8 inches Useable length: 6. 5 inches Diameter of the head: 1. 5 inch Circumference of the head: 5 inches Widest shaft diameter: 2 inches Circumference of the shaft: 6. 5 inches Widest