Flexcutâ€TMs Whittlinâ€TM Jack is the smaller two-bladed version of the original Carvinâ€TM Jack and Pocket Jack. Its two-bladed design features the most needed blades any carver could need. At 3 oz. and with a closed length just over 4", you will hardly even notice it in your pocket. Whittlinâ€TM Jack includes a Detail Knife (1- 1/2" long) and a Roughing Knife (2" long).