Coastal Shower Doors C-CGW01LB Paragon 90 Degree Glass Corner Clamp, Chrome/Left Mounted Wall mounted glass clamp secured to glass with nylon tipped glass set screws Secures shower door glass panels that are joined at 90 degree angle Slip over installation allows for adjustability of installation Compatible with 3/8 inch and 1/2 inch glass Does not require holes drilled in glass