CRL Roller Blocks Straight Shank Diamond Countersinks They feature a narrow 3/8"

They feature a narrow 3/8" (10 mm) wide jaw

Powerful 7

The 1/4" (6 mm) shank diameter fits any 1/4" or 3/8" (6 or 10 mm) drill chuck

Pulse the Power On and Off Making it Easier to Identify the Milky White Glow When Placed on the Tin Side of Glass

For Permanent or Temporary Bonds to Cardboard

CRL Roller Blocks Straight Shank Diamond Countersinks They feature a narrow 3/8"Rotate and Support Heavy Sheet or Insulating Glass with Ease Turn Over to Use as a Set of Resting Blocks Rubber Base Ensures Traction CRL Roller Blocks were developed to aid in the safe handling of large and or heavy glass panels. They are made from extremely strong, high density polyethylene so they will not chip or scratch the glass. Each of these blocks has a cushioned 90 degree inside corner on which to rest the glass while rotating or maneuvering