GBS Regular (Large) Barrel Shaped Easy Off SANDING MANDREL BIT, 3/32 Silver Easy Off Mandrel Bit, This large barrel-shaped Mandrel sanding bit is a must for your Drill collection! This Mandrel bit is a size 3/32 so most sanding bands will fit perfectly! Sanding bands are barrel-shaped, single use bands that slip over the mandrel bit and are perfect for performing surface work, prepping and smoothing the nail bed on each of your clients!