MULTIPLE SIZE preferences: This cable pulling grip set includes 6 sizes (4 25mm / 0.157 0.984In) color coded for quick identification: blue (4 6mm), black (6 9mm), red (9 12mm), green (12 15mm), white (15 18mm), and yellow (18 25mm) Works well with 10 gauge+ wires but not recommended for 12 / 14 gauge PROPER USE TIPS: Maintain straight alignment during use Precisions sized For cables that feel loose after installation, wrapping with tape enhances due to varying cable surfaces WIDE APPLICATION extent: Essential for electricians and communication technicians household, business, and industrial environments Consistent MATERIALS: Constructed from galvanized steel wire, these cable pulling grips sturdy functionality and adaptability while safeguarding wires during use Intelligent planning: Incorporates a flexible adjustable weave configuration that minimizes cable abrasion, automatically adapts gripping strength, Manufacturer: HENYGEN