QUAD LOCK Tripod Adapter QLM-TRI-2 Used a few times. The product is the adapter only. 【Product Features】 Quad Lock Tripod Adapter QLM-TRI-2 This adapter is for attaching a Quad Lock case to a tripod. The tripod adapter is the perfect part for smartphone photography. It has an industry standard 1/4-20UNC thread, so it fits almost all tripods and monopods. It allows you to easily attach an iPhone or other device with a dedicated case or universal adapter to a tripod, enabling you to capture beautiful still images, stable videos, and stunning low-light photos. Compatibility and Notes Industry standard 1/4-20UNC thread Dual-stage lock is not included as active movement is not assumed. Instead, it can be attached and detached even more easily.