CRL 3/16" Plastic Screw Anchor with Shoulder - 1000 Pack Glass Pliers It must be approximately 25%

It must be approximately 25% wider than the joint to fit tightly

#8(recommended)

Minimum order for carded plastic Cutting Knife is one each

It can accommodate ±50 percent joint movement in properly designed joints

CRL 3/16" Plastic Screw Anchor with Shoulder - 1000 Pack Glass Pliers It must be approximately 25%Our Best Selling Plastic Anchors Use in Concrete, Block, Brick and Wallboard Use with Wood or Sheet Metal Screws Anchors with Shoulders Year after year, these are our best selling plastic anchors. CRL Plastic Screw Anchors are designed to be used with wood or sheet metal screws. Their multiple ribbed construction ensures secure holding power in hard or soft materials, from concrete to plaster. They are available in two styles: The shoulderless anchors