Part #: 74-113290-01 2.5' SSD mounting bracket full compatible for C.isco UCS C220 C240 C480 ML M5 C4200 Heretom hard drive bracket is made of ABS plastic, it would not easily get out of shape. Sturdy and durable that allows for protecting your hard drive. What you get: 2.5' hard drive caddy x2, mounting screws x8, a 12-month warranty and lifetime technical support.