The Omega Technologies TSQ25-281-062 Tight Squeeze Assembly, 1/16” Hex Key & 9/32” Socket is best suited for non-interference fit fasteners. The Omega Technologies TSQ25-250-094 Tight Squeeze Assembly, 3/32” Hex Key & 1/4” Socket is a full function hand tool for Hi-Lok® fastener installation and works exactly as its name implies by getting into tight places and allows one-handed Hi-Lok® installation. Omega Technologies Tight Squeeze can be compared to the bulky pneumatic installation tools but can go anywhere they can’t. Omega Technologies Tight Squeeze feature interchangeable hex keys and sockets that fit a wide range of collar and pin combinations and works with aluminum, steel and titanium collars.