SPECIFICATIONS

Hardness-degree: 60D yellow/70D black/80D pink

Material: Silicone

Precision HOP-UP Nub/ Hop up Bucking Tensioner

Description：

60D is 60° Hardness（Degree），Yellow Color

70D is 70° Hardness（Degree），Black Color

80D is 80°Hardness（Degree），Pink Color

Feature：

*High quality and High density durable silicone construction.

*Apply stable hop rotation.

*Improves accuracy and consistency.

*Requires no modification for installation in most hop-up combinations.

*Easy to install,Drops into most Airsoft Hop-up units and is ready to be used.

*Recommended for 400 to 600 FPS.