Click to expand Tap to zoom Metro 9994HZ Heavy Duty Post Clamp by Metro Sale $15.33 | / SKU M-9994HZ 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart PAIR IT WITH + $78.59 Sierra FSW140B 2-Layer Conductive Smooth Rubber Worktop Mat Kit, 30"x60"x.080", Blue Satisfaction Guarantee The Metro 9994HZ Heavy Duty Post Clamp is an accessory for Super Erecta® Shelving to maximize the strength between two buttressed units.