Allen Traveller 30mm & 40mm Linked Blocks Select (See Table Below):AL-2030-40 30MM + 40MM DYNAMIC: LINKED - EACH The Voltage Sensing Relay (VSR)

The Voltage Sensing Relay (VSR) allows the charging of a second battery from a single charging source

This wheel clamp is designed specifically for the type of wheel in the photo which are often fitted on smaller trailers such as Erde

Adjustable plunger stop   Length mm: 35   Width mm: 34   Weight g: 112

Manufacturer Part Number: 2506-BSS

Allen Traveller 30mm & 40mm Linked Blocks Select (See Table Below):AL-2030-40 30MM + 40MM DYNAMIC: LINKED - EACH The Voltage Sensing Relay (VSR)Traveller 30mm and 40mm linked blocks With the Allen dynamic ball bearing technology at the heart of this block, the line friendly soft contours allowing articulation and stainless steel cheeks, the 30mm dynamic block will easily handle maximum loads and give unrivalled performance. Line friendly soft contours and articulation, Stainless steel cheeks and inner bearing systems handle maximum loads, Central hole for tie on becket. Spec Sheet Part