Standard Block 400 Series 4 x 8 x 16 Smooth Stretcher 3C-SM 3 Core Smooth Spec Sheet 4 x 8 x 16 Split face Single Score SF Single Score Split Face Spec Sheet 4 x 8 x 16 x 8 Smooth L-Corner Spec Sheet 4 x 8 x 16 x 8 Smooth Single Bull L-Corner Spec Sheet 4 x 8 x 16 Single Bull 16″ Top Solid SM-16 Smooth Bullnose Spec Sheet 600 Series 6 x 8 x 16 Smooth Stretcher 2C-SM 2 Core Smooth Spec Sheet 6 x 8 x 16 Smooth Single Score 2C-SM 1 Score Smooth Spec Sheet 6 x 8 x 16 Smooth A-Block 2C-SM A-Block 2 Core Smooth Spec Sheet 6 x 4 x 16 Smooth Sill Block Other Sizes Available Spec Sheet 800 Series 8 x 8 x 16 Smooth Stretcher 2C-SM 2 Core Smooth Spec Sheet 8 x 8 x 16 Smooth 2-Hour Fire rated 2C-SM Spec Sheet 8 x 8 x 16 Smooth 75% Solid 2C-SM 2 Core Smooth Spec Sheet 8 x 8 x 16 Smooth A-Block 2C-SM-A 2 Core Smooth Spec Sheet 8 x 8 x 16 Smooth Korfil 2C-SM 2 Core Smooth w/ Korfil Spec Sheet 8 x 8 x 16 Smooth Solid Spec Sheet 8 x 8 x 16 Smooth H-Block 2C-SM-H 2 Core Smooth Spec Sheet 8 x 8 x 16 Side Knock-Out 2C-SM 2 Core Smooth Side KO Spec Sheet 1000 Series 10 x 8 x 16 Smooth Stretcher 2C-SM 2 Core Smooth Spec Sheet 10 x 8 x 16 2 Hour Fire Rated 2C-SM 2 Core Smooth Spec Sheet 10 x 8 x 16 Smooth 75% Solid 2C-SM 2 Core Smooth Spec Sheet 1200 Series 12 x 8 x 16 Smooth Stretcher 2C-SM 2 Core Smooth Spec Sheet 12 x 8 x 16 Smooth 3-Hour Fire Rated 2C-SM 2 Core Smooth Spec Sheet 12 x 8 x 16 Side Knock-Out 2C-SM 2 Core Smooth Spec Sheet 12 x 8 x 16 Smooth A-Block 2C-SM 2 Core Smooth Spec Sheet 12 x 8 x 16 Smooth H-Block 2C-SM 2 Core Smooth Spec Sheet 12 x 8 x 16 Smooth 75% Solid 2C-SM 2 Core Smooth Spec Sheet