Camco Fasten Camper/RV Leveling Blocks - Features Interlocking Design for Customizable Height - Carrying Handle Twists to Secure Blocks for RV Storage - 17” x 8.5” x 1”, Yellow, 10-Pack (21023) Lights Eterna cartridge (LTC)

Eterna cartridge (LTC)

3-wire and 4-wire separators

Led illuminates during each trigger

2 Valve adapters

OE-comparable harness (no "pigtail" connector) for hassle-free installation

Camco Fasten Camper/RV Leveling Blocks - Features Interlocking Design for Customizable Height - Carrying Handle Twists to Secure Blocks for RV Storage - 17” x 8.5” x 1”, Yellow, 10-Pack (21023) Lights Eterna cartridge (LTC)Americas #1 RV Leveling Blocks: Choose FasTen interlocking leveling blocks to fit your RV's unique needs! These (10) yellow camper leveling blocks by Camco stack to your desired height for customizable support. Premium Integrated Handle: Easily carry and transport these camper leveling blocks with the premium integrated T handle. Just lift the handle to carry and twist it down to securely lock the camper blocks together for storage. Quad Grid Extreme