These Interchangable leatherworking knife blades are to be mounted in the Extension Knife Handle SKU 4010 (handle not included)
 
The Extension Blades measure 7" x 5/8" and can be adjusted in the handle to the length required to carry out and leather craft task
 
The blades are easliy swapped and changed using the grub screw on the side of the handle
 
They are available in Bevel Point, Broad Point, Clip Point, Lance Point, Reverse Sheepfoot & Sheepfoot