Dungeon Design - Create is a small American company. We strive to make quality products you can depend on right here in the USA. We use many different processes to create our products from woodwork to welding to additive manufacturing(3D Printing). For installation information for your new Goliath or Extended grips, Follow the link: https://youtu.be/Fe29NRrA5Y Find your grips easier at our website: https://www.dungeondesigncreate.com/
This item was sub par, so I returned it for a refund. I didn't like the quality of the grips. They didn't fit well, one has dirt imbeded into it and the resin was still a bit tacky. The seller was quick to respond, and very helpful.