Allen 30mm Single Stand Up Ball Bearing Block with Lacing Eye Select (See Table Below):AL-2030-LZ 30MM DYNAMIC: SINGL LACING EYE - EACH 20mm Double block with swivel

20mm Double block with swivel fork

How to attach a tie-on block to the boom

To keep everything together and safe

5mm Voltage Maximum: 48V Amps Maximum: 250A Colour Black Certification / Approvals Meets ISO regulations regarding continuously energised terminals

Allen 30mm Single Stand Up Ball Bearing Block with Lacing Eye Select (See Table Below):AL-2030-LZ 30MM DYNAMIC: SINGL LACING EYE - EACH 20mm Double block with swivel30mm Single stand up block with lacing eye. 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