8 Pcs Hidden Brass Barrel Hinges - 180 Hidden Opening Concealed Furniture Jewelry for DIY Jewelry Box Wooden Box Hand Craft Jewelry Ring Box DIY Hand Craft 8mm with Drill Bit

["【180 Degree Opening Angle】 Allow you to open or close box at 0-180 degree you desired; hidden hinges make them completely invisible from both sides.","【Material:】Made of polished premium brass, these concealed hinges are sturdy and durable, shiny & beautiful and rust-resistant, have strong load-bearing ability.","【Overall Dimension folded】: 18 mm / 0.71\" (Height) x 8 mm / 0.31\" (Base Dia); opening gap of two unfolded hinges: 4 mm / 0.16\".","【Easy to Install】: Come with 8Pcs 8 mm/0.31\" brass barrel hinges and 16Pcs Screws. Drilled a 5/16-inch hole and insert the hinge. The small screws can be used to secure the hinge in the hole if it is loose, just put the screws in either side of the hinge in the small slot on the side and screw it into the wood.","【Application】: Suitable for jewelry box hardware, folding table, cabinet door, handicrafts, small furniture or using on other wood, plastic, thick glass material(Not recommended for heavy duty projects)."]