Replacement Base for MaxOver Model V1 or V2 Batting Tee. Rubber overmolded steel V-base with quick disconnect. Locking collar is not included. Receptacle is 32mm (1.26"). Also works for all other MaxOver brand batting tees. 
Compatible with MaxOver Batting Tee Model V1, Model V2, Model X1, Model X2, Model X3, Model X4.