This is a Yokomo "Long Type - Black" Pro Shock Spring Set, and is intended for use with the Yokomo BD7 1/10 scale touring car. This shock spring is 6.0 coils of 1.4mm wire.

Yokomo Shock Spring Rates:

• Soft
• Black: 6.0 coils/1.4mm wire (YOKYS-1460L)
• Blue: 5.75 coils/1.4mm wire (YOKYS-14575L)
• Yellow: 5.5 coils/1.4mm wire (YOKYS-1455L) 
• Purple: 6.75 coils/1.5mm wire (YOKYS-1567L)
• Pink: 6.5 coils/1.5mm wire (YOKYS-1565L)
• Green: 6.25 coils/1.5mm wire (YOKYS-15625L)
• Orange: 6.0 coils/1.5mm wire (YOKYS-1560L)
• Hard