Monster Overview: Fix your project right the first time with 22-16 AWG Clear MonsterBolts Sealed Butt Connectors! Engineered and branded in-house, these connectors marry a seamless tinned-copper barrel with premium 3 : 1 adhesive-lined polyolefin tubing for an IP67-level waterproof splice in seconds. Each unit is laser-etched with its AWG range and the MB logo, so you can ID the size at a glance. UL rated, RoHS compliant, and always in stock at our Milton, FL warehouse. Monster Features: Brand: MonsterBolts™ (exclusive) Seal Type: Crimp & Seal with heat-shrink tubing Waterproof Rating: IP67 when installed as directed* Barrel: Seamless tinned copper for < 0.003 Ω resistance Tubing: Clear 3 : 1 adhesive-lined polyolefin Operating Range: −40 °C - 125 °C (−40 °F - 257 °F) Monster Specifications: Wire Gauge: 22-16 AWG · Color Code: Red Connector Style: Butt splice Part #: MB-B20 Material: Tinned-copper sleeve · Adhesive-lined polyolefin Installation Steps: Strip each wire 5/16 ″ (8 mm). Insert wires fully into barrel. Crimp with a ratcheting crimp tool. Apply heat evenly until tubing fully shrinks and adhesive flows. More Monster Bolts: Need different size connector? View our complete MonsterBolts butt-connector range. Order Yours Today and Experience the Monster Bolts Difference! Buy with confidence—fast U.S. shipping and legendary Monster support come standard with every order. *IP ratings are based on industry best practice; UL does not publish a formal “waterproof connector” standard.