0-14mm RC Reamer Reaming Edge Expanding Hole Opener Slip-resistant designed handle and optimal shaped drill for comfortable grip and easy operation. Hole Puncher Reamer 0-14mm For RC Tools Car Body Shell Drills It's just take you 1 minute. Specifications: Material: Alloy Steel+Aluminum Alloy Color: Black + Silver Hole saw size adjustable: 0-14mm / 0-0.55in Size: 133 X 18mm (L X D) Package Included: 1 * Hole Saw Hole saw size adjustable: 0-14mm / 0-0.55in