CRL 1/2" x 1/2" x 1/4" Cork Non-Adhesive Shipping Pads - Bulk Tool & Small Part Organizers This also lets you use

This also lets you use drills larger in diameter than will fit in the built-in retaining ring

6" extension and molded case

They should always be used in true running machines on flat glass surfaces

(300 ml) per stroke

This quality CRL Stanley Chalk Line is made of impact resistant plastic

CRL 1/2" x 1/2" x 1/4" Cork Non-Adhesive Shipping Pads - Bulk Tool & Small Part Organizers This also lets you useExtra Firm for Minimal Compression Under Heavy Loads Peel Off without Leaving Residue These CRL Cork Non Adhesive Shipping Pads are laminated with cork instead of sponge, therefore they are firmer and will not compress like sponge. This makes them excellent for use with heavy or large stacks of glass. Adhesive cleanup is eliminated since CRL Cork Non Adhesive Shipping Pads peel off without leaving any residue. They are even reusable if kept clean!