A guide and a method for locating a cutting block on a resected distal surface of a patient's femur in a knee replacement procedure. The guide includes a first body part for positioning over the resected distal surface. The first body part includes a pair of posteriorly extending feet for engaging with the posterior condyles of the femur. The guide also includes a second body part for positioning over the resected distal surface. The second body part includes at least one pair of locator holes for locating fastener pins by which the cutting block can be fastened to the resected distal face. The first body part is removably attachable to the second body part in a plurality of discrete positions for selectively angling the second body part with respect to an anatomical feature of the patient when the feet of the first body part are engaged with the posterior condyles.
