If you need this sex machine and other accessories, please visit our shop.Thank youFunction: Sex Machine AccessoriesAutomatic telescopic sex toy gun machine accessoriesUse machine can be fitted with fixed chuck or telescopic gunNote:The following 3 models for delivery size Size: [extension tube 20 cm] Size: [extension tube 25 cm] Size: [extension tube 30 cm] Package Content:1pcs Extension rod  (sex machine accessories,used with sex machine)