the Mounting Ring attaches permanently to the rail

Steel wheels with ball bearings

Menadione Sodium Bisulfite Complex (Source of Vitamin K)

An enameled finish cast iron body ensures strength

Prevue Pet Products Kitty Power Paws Leopard Lounge 7306 combines super soft

HOL-EE BONE W/SQUEAKER (SMALL, ASSORTED) Nutcrackers & Shellers the Mounting Ring attaches permanentlyTug it, stuff it, fetch it, squeak it! Combines the versatile, do it all hol ee bone with a squeaky tennis ball in the center Squeaky sound provides added interest and keeps your dog engaged during playtime. The tennis ball also offers an offset balance that allows bone to wobble around Made from durable rubber