3/8" PEX Crimper - 10 13/16" x 2 15/16" x 1 6/16" PEX crimper with Go/No-Go crimp gauge feature 3/8" jaw size for tightening the connection between 3/8" copper crimp rings and PEX pipes and eliminating distortion on the rings; widely used in water lines, radiant heat, snow melt, ice rink systems and other applications Sturdy Metal Construction - Strong iron for high strength and durability, can support a long service life; well-polished jaw for ensuring no damage to the crimp rings and fitting tightly for avoiding leakingLabor-saving Mechanism - Smooth leverage mechanism for allowing secure and accurate connection with minimal force required, just simply pull back on the handle to open the crimp jaw and place the crimping end around the crimp ring and press the handle Compact & Convenient - Compact design for using in narrow spaces and light weight for adding portability; plastic handle with comfortable grip for easy holding and minimizing fatigue of long time using Go/No Go Gauge - Go/No-Go crimp gauge tool for calibration, it is a convenient measuring tool to directly check if the crimping is proper or not, helping you to verify adjustments before crimping Specification:Overall Dimension(LxWxH): 10 13/16" x 2 15/16" x 1 6/16" (27.5 x 7.5 x 3.5 cm) Jaw Size: 3/8" (0.95 cm) Tubing Compatibility: PEX Net Weight: 2.6 Lbs (1.19 kg)