VERSATILE TO FIT ALL r u yo NEEDS SHIM BOXES If you have multiple size kelly bars you can buy 1 tool and 3 shim boxes instead of buying 4 different tools. Part Number Description 98525X350SB 5-1/4 " to 3-1/2 " SHIM BOX 98525X400SB 5-1/4 " to 4 " SHIM BOX 98525X425SB 5-1/4 " to 4-1/4 " SHIM BOX 98700X130SB 7 " to 130mm SHIM BOX 98700X525SB 7 " to 5-1/4 " SHIM BOX 98700X600SB 7 " to 6 " SHIM BOX 98700X525SB 200mm to 7 " SHIM BOX SHIM BOX CLAUSE: All Jeffrey Machine Inc. standard shim boxes are FABRICATED AND CNC MACHINED WITH A LOW CLEARANCE TOLERANCE TO FIT OUR Jeffrey Machine Inc. DRIVE BOX and are not guaranteed to fit another manufacturer's drive box due to the fact that most other manufacture's do not CNC MACHINE these products. Let us know if you need a custom fabricated shim box to fit a different manufacturer's drive box. PROUDLY MADE IN THE USA Now stocked in Birmingham, AL and Euless, TX locations. CORPORATE OFFICE Birmingham, AL | 205.841.8600 TEXAS OFFICE Euless, TX | 817.545.8677 JEFFREYMACHINE.COMhttp://www.jeffreymachine.com/