This is a 90° Micro Bellcrank System from Du-Bro. FEATURES: Nylon and brass construction INCLUDES: One 90° (L-shape) nylon arm One brass grommet (used as a pivot bushing for the nylon arm) One slotted round head self-tapping screw (2.2x10mm) One flat washer 6.3 x 3.1 x 0.53mm (ODxIDxThickness) REQUIRES: A slotted screwdriver SPECS: Length: 20.48mm each L portion of the arm Width: 5.3mm widest point of the arm Height: 3.25mm the pivot portion of the arm 1.12mm arm portion Diameter: (If applicable) tjt 102502 ir/kh