Protect your misalignment, downtime, and resulting damage with precut slotted shims (also known as precut shims). Made in the USA, all our precut shims are free of burrs for safety. We also have the broadest line of stocked precut shims in the industry. Precut slotted shims are also sold in shim kits with an assortment of thickness for workshop use. Our precut shims are available in many standard and custom sizes. Our precut shims are always marked to the exact thickness within .0005". No micrometer is necessary! Accurate alignment starts with quality precut slotted shim. Buy your precut shims from your trusted supplier here in Singapore.