No4 / No5 Stanley lever cap - type 16

This is a kidney style lever cap that is a best “type” fit on your Type 16 Stanley No4 or No5 

it will function on most any no4 or no5

for more information on Type 16 hand planes, check out this video - https://youtu.be/cBpOQn69lIA?si=PxFd4cC9o-LSW1FN