Dr. Joel Kaplan Silicone Prostate Locator Premium probe ergonomically designed for prostate stimulation. Easy pull ring design. Safe and pure for body and pleasure. Made using phthalate free, non-toxic materials Silicone. Non-vibrating males g-spot locater measures 3.75 inches long by 1.25 inches wide. Bulk weight 1.4 ounces. Always clean before and after use. A water based lubricant is recommended. Category: For Men, Anal Toys, Probes. Dr. Joel Kaplan Prostate Locator is a registered trademark for California Exotic Novelties. Sex Toys and Sexual Wellness. 16.