The One Hand Jack Set with the Stiffy Max is one of our most popular selling products. It is designed to include the essentials needed to get in.to most vehicles quickly and effectively. The new 51 in. Stiffy Max Long Reach tool is extra-stiff and made from Stainless Steel so that it never rusts. The Stiffy Max also features a Store-N-Go handle for storage of extra tips. The Air Wedge tool features an internal stiffener to make insertion easier and to minimize possible damage to the vehicle.