Allen 20mm Flip Flop Block Select (See Table Below):AL-2123 20MM DYNAMIC: SINGLE FLIP FLOP - EACH Full wiring instructions are included

Full wiring instructions are included

and is safe for gelcoat

Manufacturer Part Number: 8275-BSS

The choice are two types: Model DD120M is approved by the Department of Trade and Industry as a lifeboat pump

Allen 20mm Flip Flop Block Select (See Table Below):AL-2123 20MM DYNAMIC: SINGLE FLIP FLOP - EACH Full wiring instructions are included20mm Flip Flop Block. A 20mm ball bearing sheave riveted to a stainless steel frame which can move through 180 degrees. The body is fixed to the backing plate with a removable clevis pin for easy removal and installation. Spec Sheet Part Description Line Dia. mm Fixing Hole Centres mm Fixing Hole mm Max Working Load Kg Break Load Kg Weight gm RRP Inc VAT Unit AL 2123 Flip Flop Block 5 16 4 105 350 19 48. 40 EACH