Specifications 1) Steel ball bearing hinge. 4bb 2) Size: 4" x 3" x 2mm, 4" x 3" x 2.5mm, 4" x 3" x 3mm, 5" x 3"x2.5, 5" x 3" x 3, 5" x 3.5" x 2.5, 5" x 3.5" x 3, 5" x 4" x 3 3) Finish different color available. (US15A, US4, US15, US26D, US32D, US10B, US5, US3, US26, US3, US2G, USP, etc)
