Orion 7373 140mm ID Telescope Tube Rings
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<div style="text-align:left"><b>[Product Information]</b></br><ul><li class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your " id="replacementPartsFitmentBullet"><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a class="a-link-normal hsx-rpp-fitment-focus" href="#">Enter your model number</a><span>to make sure this fits.</span></span></span></li><li><span class="a-list-item"> 
							Set of two cast-aluminum telescope tube rings with quick-release, hinged clamp knobs and felt lining
							
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							Inside tube ring diameter is 140mm, use with telescope optical tubes up to 140mm in outer diameter
							
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							Sold in sets of two rings
							
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							Mounting bolts and washers are included
							
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							One ring has 1/4"-20 piggyback camera adapter; the other has threaded 1/4"-20 hole
							
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