b'Teardrop Blocks 3223Teardrop blocks are ideal as masthead leads and in other applications where3240limited articulation or direct attachment is desired. When attached to a compatible3253padeye, teardrop blocks will not hit the deck when lines are slack, but allow enough movement to ensure fairleads when jumping halyards. They are often used on permanent backstays of fractionally rigged boats where the backstay can be spliced directly to the head of the block.About Black Magic Air blocks: see feature pages at beginning of this section.Sheave Clevis pin Max line Maximum BreakingPartLength Weight working load load UseNo. Description in mm in mm oz g in mm in mm lb kg lb kg padeye57 mm3223Padeye/high-load2 1/4573 3/8863.921115/1683/810250011345000226862775 mm3240Padeye2 15/16754 7/161138.722473/8109/161450002268100004536648/689100 mm 3253Padeye3 15/161005 13/16148164541/212.75/81675003402150006804 Footblocks 3220 3222Use footblocks to redirect lines on3234 3235the deck. Footblocks with lockoffs3249 3250 3236temporarily secure sheets. 3257 3258Either metric or imperial flathead3263fasteners may be used for mountingF Cand are not exposed. BG AAbout Black Magic Air blocks: see feature pages at beginning of this section.3237E DDimensionsPart A B C D E F GNo. in mm in mm in mm in mm in mm in mm in mm3220/3221/3222 3/89.57/822.52 1/3251.55/8162 5/16593 5/16841/2133234/3235/3236/3237 15/3211.51 1/828.52 3/470.513/16213774 5/1611021/3217 3249/3250 9/1614.51 15/3237.53 21/3292.51 3/32283 15/161005 5/814329/3223 3257/3258 21/32171 25/32454 7/161131 11/3234.55 1/32127.51761 3/3228 6 29/32 326313/1620.52 3/3253.55 3/321291 5/8416 1/161548 1/3220433 1 5/16 Sheave Max line Maximum Breaking FastenersPartLength Height Weightworking load load (FH)No. Description in mm in mm in mm oz g in mm lb kg lb kg pul mm57 mm2 1/4 3220Single/high-load573 5/16841254.291227/161225001134500022684 x 1/44 x 6 3222Double/high-load2 1/4573 5/16841 13/16467.62157/16121655750331015004 x 1/44 x 675 mm3234Single754 3/81111 1/4329.762779/1614525023801050047624 x 5/164 x 8 2 15/16 3235Double2 15/16754 3/81112 1/45717.284909/161434651572693031434 x 5/164 x 8 3236Single/lockoff*2 15/16754 3/81111 1/43211.283209/1614525023801050047624 x 5/164 x 8 3237Double/lockoff*2 15/16754 3/81112 1/45720.245749/161434651572693031434 x 5/164 x 8100 mm3 15/161005 5/81431 5/163319.575555/816750034021500068044 x 3/84 x 10 3249Single 3250Double3 15/161005 5/81432 7/166234.19675/81649502250990045004 x 3/84 x 10125 mm 3257Single4 15/161256 15/161764334.299723/4191100049902200099794 x 1/24 x 12 1 11/16 3258Double4 15/161256 15/161762 13/1671.560.3517113/419726032921452065854 x 1/24 x 12150 mm3263Single5 15/161508 1/162051 7/84858.58166112515000680430000136084 x 5/84 x 16*Lockoffs are intended to hold lines temporarily and should not be used in place of line stoppers or clutches.57'