Larger head and midsection for more filling sensation Less focused, more spread out prostate stimulation Balanced for good responsiveness Silicone coated for the utmost comfort Stimulates 4 erogenous zones simultaneously Excellent for intermediate and advanced users Much greater movement compared to Maximus Classic $5 of each unit sold goes to ZERO - The End of Prostate Cancer Dimensions:Head Width: 0.98 in.Head Depth: 0.96 in.Mid Ridge Width: 0.90 in.Mid Ridge Depth: 1.0 in.Stem to Perineum: 1.5 in.Insertable Length: 3.4 in.