ITEM NAME:5 Sets Dual Row 12P Screw Blocks and Pre Insulated Terminal Barrier Strips Description: With 12 positions, dual row. Removable clear plastic insulating cover, screw barrier terminal block. Each pair of terminals is insulated from the next, prevent circuit in disorder. One Mounting Hole Each End for Fixed Mounting Waterproofing & Insulation,Used in Power supply, communications, cable, optical fiber, sensors, etc. Specification: Maximum Rated Voltage: 600V Maximum Rated AMPS: 15A Poles: 12 poles (dual row) Size: About 128 (L) x 22 (W) x 17.5 (H) mm Material: Metal, Plastic Insulator: Plastic Package Includes: 5 Pieces Barrier terminal blocks 10 Pieces Terminal Stripe Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making.With 12 positions, dual row. Poles: 12 poles (dual row). One Mounting Hole Each End for Fixed Mounting.