The E-Z-Hook XB is a new, dynamic insulation piercing wire clamp. The XB thumbscrew locks down a bed of nails while a V-Groove centers wire, providing positive contact and maximum stability every time. The XB’s interior brass housing holds approximately 34 heat-treated steel needles. Nylon exterior housing limits exposure of metal parts when engaged and is resistant to most chemicals. The XB accepts a maximum wire diameter of .150” (3.8mm) and is available in black, red and yellow. It is available with various lead or cable interface options.• Housing - Plated Steel • Slide/Lever Construction - Durable Nylon • Spring Construction - Stainless Steel