Add to Cart Sure Shim Pigtail Plug Safety Shims Sure Shim MSRP: Now: $10.95 Was: Sure Shim Pigtail Plug Safety Shims Invented and developed in the USA by a former fleet owner, OTR driver and proud Marine; Sure Shim will keep you rolling! Heavy Duty Safety Shims Constructed... MSRP: Now: $10.95 Was: Add to Cart