Blue Wave UNF Toggle & Fork Rigging Screw Select (See Table Below):BW-320006-A 1/4" TOGGLE & FORK R.SCREW - EACH 1") Weight 17 kg (37

1") Weight 17 kg (37

but some customers have also used this oil filter head on BMC 1

20mm Double eco block with fixed eye

via the Optimist Deck Ring (AL-0480)

Manufacturer Part Number: N1725320

Blue Wave UNF Toggle & Fork Rigging Screw Select (See Table Below):BW-320006-A 1/4" TOGGLE & FORK R.SCREW - EACH 1") Weight 17 kg (37UNF Toggle and fork rigging screw. UNF Thread. Stainless steel AISI 316. Spec Sheet Part G UNF Pin Dia mm A1 mm A2 mm L1 mm L2 mm T1 mm T2 mm Break Load Kg. RRP Inc VAT Unit BW 320006 A 1 4 6. 35 8 9. 5 222 157 13. 0 17 1300 44. 22 EACH BW 320008 A 5 16 8. 0 10 11 268 192 15. 0 20 2200 51. 38 EACH BW 320010 A 3 8 9. 5 12 12 306 222 19. 0 26 3400 71. 96 EACH BW 320011 A 7 16 11. 0 15 12 347 257 23. 0 28 4600 91. 03 EACH BW 320012 A 1 2 12. 7 18 14 378