Allen 30mm High Load Back to Back Blocks Select (See Table Below):AL-2038-HL 30MM HL DYNAMIC: BACK TO BACK - EACH or on the device itself

or on the device itself

75mm Country of Origin United Kingdom

Ignition protected ISO8846 Height Description 117mm (4-5/8") Width 360mm (14

and does not include the drive pulley

Allen 30mm High Load Back to Back Blocks Select (See Table Below):AL-2038-HL 30MM HL DYNAMIC: BACK TO BACK - EACH or on the device itself30mm High load back to back blocks. Featuring Allen's high load stainless steel sheave & dynamic bearing system to withstand extreme loads. Allen High Load Blocks fit between the standard dynamic range and the XHL range featuring a stainless steel sheave which runs on a double race of stainless steel ball bearings. By utilising a stainless steel sheave with a slight V shape profile, the Allen High Load range offers the ability to be paired with both