b'Stand-Up Bases41 mmStand-up bases allow a wide variety of blocks1634 1 5/8"to be held upright, swivel freely, or pivot so lines have a fair lead under load.Ball-and-Socket Swivel Bases41 mmThe ball-and-socket design lets blocks articulate up to1 5/8"45 degrees and swivel freely. The 460 and 461 bases have stainless steel reinforcement plates to handle the high load capacities of 57 mm and 75 mm Carbo blocks. Bases may be fitted with springs, but blocks wont hit the deck without them. 010, 029 25 mm460, 461 1"Stanchion Mount Base 1634: Midrange and ESP Cruising The 061 stanchion mount base attaches blocksblock stand-up baseto 22 mm or 25 mm (7/8" or 1") stanchions or pulpits 25 mmand is often used to lead furling lines to the cockpit.1" Swivels and pivots freelyAllows blocks to swivel and pivot for fairleads.Blocks will not hit deckMidrange Cruising ESP Stand-UpUse the 1634 stand-up base with Midrange blocks and 57 mm or 75 mm Cruising ESP blocks. Block headpost fits into socket without shackle. The low-profile design is ideal for mastbase and halyard lead blocks.SpringsSprings support blocks on padeyes, eyestraps, bases, and traveler cars, and prevent blocks from hitting the deck.Stand-Up BootsMade of durable, flexible PVC, stand-up boots hold blocks up without snagging lines. The 369 fits 40 mm460and 57 mm Carbo and Black Magic blocks. The 3701634 461fits 75 mm Carbo blocks.077B369A 370A A061 097.PAIRB B 071.PAIR 010Bases 1603.PAIRBase Inside socket Pin Maximum BreakingPart Height Weightworking load loadNo. Description in mm oz g in mm in mm in mm lb kg lb kg Use with010Ball/socket*1 3/4443852 1/8543/8103/1640018113005902.25"/Little Fiddle/ratchets 5 061Stanchion mount base322573/8103/165350159Bullet/Big Bullet/2.25"/ratchets 1 1/4 460Ball/socket/high-load*1 3/44441132 1/8543/8103/1658003632500113457 mm Carbo461Large ball/socket/high-load*2514.5 128 2 1/8547/16121/4610004542500113475 mm CarboMidrange/Cruising ESP stand-up** 1634 1 15/16499255 2 7/8739/16155/1683500158870003175Midrange/Cruising ESP Base accessoriesShackle pinPart Weight A B No. Description oz g in mm in mm in mm071.PAIRStand-up spring (pair) .329.12517/822 077DN adapter 2.4691/43211/16173/165097.PAIRSmall stand-up spring (pair) .133.71253/419 369Small stand-up boot .4512.72511 9/1640370Large stand-up boot 1.130.8672 3/1655 2 5/8 1603.PAIR Midrange stand-up spring (pair) .7421641 3/835 2 1/2 *#10 (5 mm) FH fasteners. ** 6 mm (1/4") RH fasteners. 72'