120 PCS M2 Brass Knurled Standoff Male Female Round Column Pillar Spacer for PCB Board, M2 Option:M2 Many models feature overload protection

Many models feature overload protection that prevents damage when excessive weight is placed on the pan

more convenience and longer battery life than 9V battery

simple and convenient installation

six blades running on ball bearings

This enclosure is often called a draft shield

120 PCS M2 Brass Knurled Standoff Male Female Round Column Pillar Spacer for PCB Board, M2 Option:M2 Many models feature overload protectionFeatures: 120 pcs screw threaded pillar stand off spacers of male or female type, with gold tone plated brass construction. Pillars threaded spacers are ideal for mounting between PCB circuit boards and machine boards. Package Includes:(Total: M2 120pcs) Size Quantity: M2 brass male female standoff(5mm + 3mm) 10pcs M2 brass male female standoff(10mm + 3mm) 10pcs M2 brass male female standoff(15mm + 3mm) 10pcs M2 brass male female standoff(20mm + 3mm)