HARKEN BLOCK ACCESSORIES: EYESTRAPS, 1 1/2"(38MM) LENGTH, 3/8"(10MM) HEIGHTEyestraps are useful accessories. They form light-duty mounting bases for blocks, serve as lash-down points, and can be used for fairleads. Forged eyestraps are extremely strong and their smooth shape won't shafe line..09 oz.(2.5g) weight, #8(4mm) fasteners(RH), A- 1 1/2"(38mm), B- 3/8"(10mm), C-1 1/16"(27mm), D- 7/16"(11mm), E- 3/8(10mm), F- 7/16"(11mm), 1000lb.(454kg) breaking strength.ss-445 $1.15 http://www.onlinemarinestore.com/store/pc/viewPrd.asp?idproduct=11375&idcategory=335 Contact Us: OnlineMarineStore.com, PO Box 372060, Key Largo, FL 33037, 305-451-3287 or 305-451-0909, orders@catsailor.com