in.Look deep inside with this hollow anal plug made of metal! Use it with a partner to give them a glimpse into you most intimate regions. or see what can fit into the center tunnel. The nickel-free aluminum alloy facilitates a smooth insertion as this anal dilator spreads you open. Because it is non-porous. it can be used with any type of lubricant and sanitizes thoroughly with warm water and mild soap or toy cleaner. Measurement: 2.4 inches in total length. 2.15 inches insertable length. 1.55 inches in diameter. Hollow core is .75 inches in diameter. Material: Aluminum alloy Color: Grey Note: Available in small. medium. and largein.