HANS IV - Sliding w/Post Anchor (size Small) The new HANS IV, now offered in 3 different size and at a lower price. The Hans IV is an improved FHR (Frontal Head Restraint) that is 10% lighter than the previous Hans III. Custom molded pads which nest into the device, preventing slippage, were designed with an upgraded foam for improved comfort and support. Offered in a 20 -degree option suitable for most sedan type cars with a more upright seating position. The HANS IV FHR is perfect for the entry level driver across many race series. Each HANS device is sold complete with two anchors (enough for one helmet), pads, and matching tether. SFI 38.1Certified 20 Degree (fits most cars with upright seats) Ships with complete instructions Size: Small 13" - 15" Includes helmet post anchor kit and tools