I don't recall it being an oddball size, but even the detailed brake pad changing instructions don't say. The link is to instructions for pulling the axle and changing the CV boots/ hub assembly, but caliper removal and brake pad req'd min thickness is in the link too. Scroll down to 2nd paragraph and click "as shown here".

http://images.google.com/imgres?img...3DJEEP%2BHUB%26um%3D1%26hl%3Den%26sa%3DN

97tj, Shaved Ford 9 rear, 4:10's, New 35x12.5 BFG KM2's to test!, Warn x8000i, ARB's, Quick Disco's, Hand Throttle, & it's my DD. smile