Popular Gray Smooth

Available in Modular (3-5/8 × 2-1/4 × 7-5/8 in), Standard (3-5/8 × 2-1/4 × 8 in), Engineer Modular (3-5/8 × 2-3/4 × 7-5/8 in), Engineer Standard (3-5/8 × 2-3/4 × 8 in), Norman (3-5/8 × 2-1/4 × 11-5/8 in), Econo (3-5/8 × 3-5/8 × 7-5/8 in), Utility (3-5/8 × 3-5/8 × 11-5/8 in)