How big is the Pocket Driver?

The black Pocket Driver weighs 109g (3.8 Oz), the black steel Pocket Driver weighs 149g (5.2 Oz), and the stainless steel Pocket Driver weighs 230g (8.1 Oz). They're all 103mm (4.0") x 27mm (1.06") x 20mm (0.78").

The Pocket Driver can be used with W 1/4" (6.3mm), L 1" (25mm) hex drive bits. It cannot be used with dual ended bits.