Mediabridge Ultra Series fast-lock 45 degree spade plugs attaches to speaker wire, supplying a high-quality signal path from audio components like a speaker to an audio/video receiver, amplifier or other sound application. Compatible with 10-18 AWG speaker wire. Corrosion-resistant gold-plated connectors provide secure fits with clarity, natural sonic accuracy & no distortion. A wider base minimizes shorting for maximum signal transfer, & a 2-piece screw-on design makes for reliable termination. Self-crimping teeth make for easy 1-time installs, & a low profile build only sticks out less than 1". color coded, distinguishing left from right to enable matching polarity. Rubber grips minimize shorting & 45 degree connectors ensure snug fits. Fast-lock spade plugs are an easy plug-&-play alternative to bare wire modular setups, removing the hassle of crimping/soldering. Product Features - better than bare wire: gold-plated prongs provide a clean, strong connection, making it easier to install than bare wire - all of your audio components: designed with dual-width prongs that secure onto small & large-sized binding posts - low-profile: crafted at a 45 degree angle with rubber grips to stay flush against your component (protrudes less than 1â€), yet easily graspable - 10-18awg compatible: a wider base accommodates thick and thin wire gauges - fast-lock setup: a 2-piece screw-on design makes for reliable termination, without soldering, crimping or using screws compatibility - Works with 10-18 AWG speaker wire - Works with audio components like a speaker, audio/video receiver, amplifier & more specifications - connector width: 14mm - gap between forks width: 9mm - gap length: 10.5mm installation simply insert speaker wire, tighten down the crimping screws & plug into your audio device (step-by-step installation guide included)