Upgrade your 1911 with our premium ambidextrous 1911 HD thumb safety, designed for enthusiasts seeking superior performance and reliability. Crafted from solid steel, this heavy-duty thumb safety is a significant enhancement over standard models, offering a robust and precise fit that requires professional fitting for optimal performance. Whether you're replacing a worn-out component or upgrading from a single-sided safety, our ambidextrous design ensures seamless operation for both left and right-handed users. Unlike inferior cast and MIM alternatives, our thumb safety is meticulously machined from heat treated steel, ensuring maximum durability and straightness. The serrated paddles provide enhanced grip, allowing for confident and secure handling in any situation. Experience the difference of a cleaner, more solid design that addresses the common failures of lesser thumb safeties on the market. Elevate your 1911's functionality and reliability with our expertly engineered HD Ambi thumb safety, a testament to precision and quality craftsmanship. Two specialized hammer pins are included for frames with a width ranging from 0.750 inches - 0.765 inches The hammer pin additionally functions as the down stop for the right paddle The ambidextrous joint is precisely machined and features a flat design, rather than a tapered one, which can become loose and detach over time The sleeve inhibits the expansion of the safety mechanism at the junction of the sides The sleeve effectively extends each side, enhancing operational security and reducing flex The safety lug, which makes contact with the frame on the left hand side, is machined with a radius down stop rather than the pointed contact commonly found on many safeties The t-slot located on the right hand side prevents the safety mechanism from disengaging Utilizing our Swiss screw machines, we produce the hammer pins, the shortened flat-headed .110 sear pin and our patent-pending sleeve All components undergo heat treatment The sleeve connects each side within the frame tangs The grip safety operates on the cylindrical sleeve and remains unaffected when the safety mechanism is engaged