Quick view Compare Alfra ALFRA RotaBest RB100RL-E Magnetic Base Core Drill ALFRA RotaBest™ RB100RL-E Magnetic Base Core Drill Product Part Number: 18634.110 Overview: ALFRA RotaBest™ RB100RL-E is a metal cutting, magnetic-based core drill that is perfect for users who require heavy duty drilling or tapping... $4,238.90