RUSCH Green Spec MAC 2 Laryngoscope Blade
 is a durable, size 2 Macintosh-style fiber optic blade, primarily used for pediatric or small adult intubations. It is compatible with all "green standard" ISO 7376 compliant handles and is available in both reusable stainless steel and various single-use options. 
Key Features and Specifications
Blade Profile: Macintosh (curved design).
Size: 2 (typically used for children or small adults).
Material:
Reusable: Surgical-grade stainless steel construction.
Illumination: Fiber optic, with an enclosed light guide (e.g., 4.7mm or 5.0mm diameter in Polaris/Emerald lines) for enhanced light transmission and to reduce glare.
Compatibility: Adheres to the ISO 7376 "green standard" for interconnectivity with other green-coded fiber optic handles.
Dimensions (approx.): The Polaris single-use Mac 2 blade has an overall length of 111.0 mm and a distal width of 13.0 mm, according to myteleflex.com. The reusable version is similar in length at approximately 115mm according to another source.