Allen 30mm High Load Back to Back Blocks Select (See Table Below):AL-2038-HL 30MM HL DYNAMIC: BACK TO BACK - EACH All the Plastimo tethers are

All the Plastimo tethers are equipped with automatic closing safety hooks to prevent accidental opening

Material Plastic Hose Tail Size 13mm / 1/2" Primary Construction Plastic Valve Design Check Valve / Non - Return Brand Whale Length 41mm (1-7/8") Diameter Description 14mm (9/16") Country of Origin United Kingdom

Inverter Output: 60Hz ± 1% Certification / Approvals UL 1741

Replacement Polar rubber moulded end cap

Sealed sound unit with stainless steel diaphragm

Allen 30mm High Load Back to Back Blocks Select (See Table Below):AL-2038-HL 30MM HL DYNAMIC: BACK TO BACK - EACH All the Plastimo tethers are30mm 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