Allen 38mm Single Ball Bearing Sheet Block Select (See Table Below):AL-0278-BB 38MM B/B SHEET BLK: SINGLE - EACH - iPhone 11 Pro Max

- iPhone 11 Pro Max

5mm² Replaces 712189-K

GPSMAP 820/820xs

Replacement barrel lock will fit the SAS New Defender Range (new style)

Allen 38mm Single Ball Bearing Sheet Block Select (See Table Below):AL-0278-BB 38MM B/B SHEET BLK: SINGLE - EACH - iPhone 11 Pro Max38mm Single ball bearing sheet block. Manufactured from Nylon and available with either a plain bearing or ball bearing system. Originally used for the Laser class mainsheet system they have also become the block of choice for many other dinghy mainsheet systems. Available in black or royal blue. Spec Sheet Part Description Sheave mm Length mm Max Line mm Break Load kg MDL RRP Inc VAT Unit AL 0278 BB Single ball bearing sheet block 38 66 10 300 155