These couplers are interchangeable with Kadee 20

30 and 40 Series couplers

Made in the USA

(40) #5 Draft Gear Boxes & Covers

(12) Knuckle Springs

Axial AX30222 SCX10 XR10 EXO Wraith 14x70mm Shock Spring (Super Firm - 3.55 lbs/in) (Blue) (2) Drill Bits These couplers are interchangeable withAxial AX30222 SCX10 XR10 EXO Wraith 14x70mm Shock Spring (Super Firm 3. 55 lbs in) (Blue) (2) Features: Steel construction, Super firm (blue) compression rating is firmer than stock shock springs included with kit Inlcudes: Two 14x70 3. 55lbs in Super Firm Shock Springs Requires: Installing over shock bodies Specs: Length: 2. 7" (70mm) Width: 0. 55" (14mm) Compression Rate: 3. 55lbs in