4x 100mm Black low profile flex hinges, flexible living hinges, plexiglass Product Highlights Superior flex-life, impact resistance. The living hinge extruded from high-impact acrylic and a urethane elastomer. Height: 39.5mm. Length 100mm. Depth: 5mm Hinges are manufactured using high grade impact materials for maximum durability (Bonding adhesive not provided) Quality controlled production to ensure secure attachment/retention of moving parts The living hinge extruded from high-impact acrylic and a urethane elastomer. Product Description Works best in flat applications, as opposed to being wrapped around a 90 degree corner. Unless a hasp or lock is used. Full-length acrylic plastic hinges are the perfect low profile replacement for metal hinges that require drilling or additional prefabrication for installation. Manufactured in accordance with strict specifications and tolerances. Strong materials, manufacturing methods with quality control. Can replace mechanical fasteners (rivets, welding, screws) or liquid adhesives: Avoids drilling, grinding, reworking, screwing, welding and cleaning.