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​Used for girth seam fit up on tanks and horizontal seams where a gap is required. Requires no clean-up after usage. Solely based on gravity to assist in the fit. Variable lengths on shims based on material thickness being fit. Must be used in conjunction with Shim Pin ​and Bull Pin​. Added extra inch for a gloved hand. Sold based on thickness of shim (thickness can vary due to mill tolerances) and shell thickness of material being shimmed.


Thicknesses available:

  • 13 gauge (± mill tolerance)
  • 11 gauge (± mill tolerance)
  • 10 gauge (± mill tolerance)
  • 1/4" (± mill tolerance)

(See Key Shim Selector Chart below to determine part number)


Also available in 304 Stainless Steel

Key Shim Selector Chart