HJP Products Sight Pusher Universal Adjustment Tool The HJP Sight Pusher tool is made quality materials; High-end 8160 steel base + 6160 aluminum grip inserts + stainless steel hardware. This tool will not corrode and holds up to heavier use. Universal Includes standard + additional grip inserts or blocks. Professional, advanced, versatile and at our low price, you win! Great value. With its ease-of-use, versatility, quality, and the most competitive price in the market, you get the best deal possible for a universal sight pusher tool. Numerous instructional videos available on line and online operation manual provided on our website. The manual link accompanies your order. Thank you. HJP