Wheel Adapter Help !!

Found a set of wheel adapters on ebay ... 1.25 thick ... nice pieces...

QUESTION ... They did not have a 5 x 4 to 5 x 4.5 .....but they do have a 5 x 100m to 5 x 4.5 ..... 100mm is 3.94 inches ... will this work with the 5 x 4 bolt pattern...? Is it close enough, or will that 6/100 make a difference. if so, can they be relieved by drilling?
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