How about a williams M-52EHF, it can be found new for $26-$27. Looks a lot like the sealed Snap-on.
Product Code Description
Length
(Inches) Number of Teeth
M-52EHA Chrome Finish Enclosed Head Ratchet 5 1/4 36
M-52EHF Chrome Finish Flex Head Ratchet 7 32
Fed. Spec: ANSI B107.10M
Features
Enclosed head is sealed to prevent dust, dirt, and liquids from entering head, preserving
internal lubrication.
Forged one-piece ratchet provide strength and safety for industrial applications.
36 tooth gear with 10 degree of engagement allows engagement in tight working areas.
Nickel/Chrome plating provides increase protection from rust and corrosion.
Chrome finish models feature mirror-like exterior that can be easily cleaned after each use.
Single Pawl ratchet design:
Designed for tighter tolerances between pawl and gear which reduces metal fatigue
and slippage under load.
Does not require as many working parts, reducing possible breakage and parts
to repair.
Easy access reverse lever allows user to change working direction quickly and easily with
only one hand.