An infusion set configured to be secured to a skin surface, comprising: a moveable first hub (2, 28, 260) comprising a needle (5, 26, 280); and a slidable cover (12, 120) configured to slide in a direction parallel to said skin surface to move said first hub (2, 28, 260) and place said needle (5, 26, 280) into said skin surface, wherein said first hub comprises said needle, secured by said first hub at an angle relative to a bottom surface of said infusion set, wherein said angle is between 5 degrees and 45 degrees relative to said bottom surface of said infusion set; a second hub, wherein said first hub is moveably disposed within said second hub, wherein said second hub is configured to be secured to a skin surface and comprises a slotted opening in a top surface; and wherein said second hub comprises an opening in a bottom surface from which said needle extends when slid in said direction parallel to said skin surface, wherein a first and second flexible arm being disposed within said opening, and are configured to secure a skin surface at sides of said opening and are further configured to be deflected when said first hub is slid in said direction parallel to said skin surface, and wherein when said flexible arms reach a maximum displacement, said needle is configured to penetrate an intradermal layer of said skin and substantially replicate an angled insertion of a Mantoux technique while removing user variability, and said slidable cover comprises a drag arm, configured to pass through said slotted opening and engage said first hub, wherein said engagement transmits slidable movement of said slidable cover into said slidable movement of said first hub and said needle. a moveable first hub (2, 28, 260) comprising a needle (5, 26, 280); and a slidable cover (12, 120) configured to slide in a direction parallel to said skin surface to move said first hub (2, 28, 260) and place said needle (5, 26, 280) into said skin surface, wherein said first hub comprises said needle, secured by said first hub at an angle relative to a bottom surface of said infusion set, wherein said angle is between 5 degrees and 45 degrees relative to said bottom surface of said infusion set; a second hub, wherein said first hub is moveably disposed within said second hub, wherein said second hub is configured to be secured to a skin surface and comprises a slotted opening in a top surface; and wherein said second hub comprises an opening in a bottom surface from which said needle extends when slid in said direction parallel to said skin surface, wherein a first and second flexible arm being disposed within said opening, and are configured to secure a skin surface at sides of said opening and are further configured to be deflected when said first hub is slid in said direction parallel to said skin surface, and wherein when said flexible arms reach a maximum displacement, said needle is configured to penetrate an intradermal layer of said skin and substantially replicate an angled insertion of a Mantoux technique while removing user variability, and said slidable cover comprises a drag arm, configured to pass through said slotted opening and engage said first hub, wherein said engagement transmits slidable movement of said slidable cover into said slidable movement of said first hub and said needle.