USA NOT CHINA LIKE THEY ARE NOW. Sizes 1 5/8, 1 1/2, 1 7/16, 1 5/16, These are huge as you can see 12" ruler to compare. These are expensive and carry the manufacture Replacement Guarantee. SAVE BIG NOW < CALL NOW !! CASH AND CARRY or Will Ship With USPS Money Order Add $25.00 Shipping USA, others Inquire.