We have MK 157449 Manta III Core Drill Rig Milwaukee 4094 Sheer Pin w/ Vacuum with Product Detail 2-1/2" zinc-plated steel column with ceiling jack Precision rack-&-pinion carriage assembly, with maintenance-free double-sealed bearings Lightweight cast-aluminum base with built-in wheels Positive anchoring for vertical & horizontal drilling One-piece removable slide handle easily negotiates close to walls and columns. Carriage assembly easily removes from column for convenient transportation and rig set-up. . The "MK 157449 Manta III Core Drill Rig Milwaukee 4094 Sheer Pin w/ Vacuum" is best product for you. We recommended MK 157449 Manta III Core Drill Rig Milwaukee 4094 Sheer Pin w/ Vacuum