Suggested Retail: $54.95. Monstrum Scope Ring Alignment and Lapping Tool Kit 1 inch + 30 mm diameter - Monstrum tools and accessories come with a lifetime guarantee. The kit is available in 1 inch diameter, 30 mm diameter, or in a set containing both 1 inch and 30 mm. The single lapping rod can be used to grind down the imperfections until the two rings are in pinpoint alignment. The two alignment rods can be placed into your mounted scope ring set to check for even alignment. The tips of the two rods should be perfectly level if properly aligned. Brand: Monstrum Model: T12 -- LOT STICKER: TCE-BOX-BOXTCEA0738-ITEM-2b989078___LPNRRHC7020821 -- SIZES ARE ESTIMATED. 7 CALENDAR DAY FULL REFUND GUARANTEE (FROM PRIMARY PICKUP DATE) ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 CALENDAR DAY STORAGE (FROM PRIMARY PICKUP DATE) IS ALSO AVAILABLE. THE PRIMARY PICKUP DATE IS THE DAY AFTER THE AUCTION ENDS. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.