Prescored wood shims eliminate the need to manually cut or score each shim. Quickly get the right size you need while saving time. These prescored wood shims are designed with a tapered edge so they can be easily inserted into a gap when aligning door frames, windows and working with drywall. 100% kiln dried for durable performance and are trusted by professional contractors. Based in Kankakee, IL, USA, Glazelock designs and manufactures wood and plastic shims for both professional installers and the do-it-yourselfers.