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 Bases 41 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 mm1"Stanchion Mount Base 460, 461 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 and is often used to lead furling lines to the cockpit.25 mm Swivels and pivots freelyAllows blocks to swivel and pivot for fairleads. 1"Midrange Cruising ESP Stand-Up Blocks will not hit deckUse the 1634 stand-up base with Midrange blocks and 57 mm or 75 mm Cruising ESP blocks. Block head-post 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 mm and 57 mm Carbo and Black Magic blocks. The 3701634 460fits 75 mm Carbo blocks. 461077B369A 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 1/8543/8103/16540018113005902.25"/Little Fiddle/ratchets061Stanchion mount base1 1/4322573/8103/165350159Bullet/Big Bullet/2.25"/ratchetsBall/socket/high-load*1 3/44442 1/83/8103/165800250057 mm Carbo 460113 543631134 461Large ball/socket/high-load*2514.5128 2 1/8547/16121/46100045425001134 75 mm Carbo 1 15/16738 1634Midrange/Cruising ESP stand-up**499255 2 7/89/16155/163500158870003175Midrange/Cruising ESP Base accessoriesShackle pinPart Weight A B No. Description oz g in mm in mm in mm071.PAIRStand-up spring (pair) .329.12517/8221/4 077DN adapter 2.4693211/16173/165 097.PAIRSmall stand-up spring (pair)1313/419 . 3.725 369Small stand-up boot .4512.71 9/1640 251 370Large stand-up boot 1.130.8672 3/1655 2 5/8 . 212 1/2641 3/835 1603.PAIRMidrange stand-up spring (pair)74 74 *#10 (5 mm) FH fasteners. ** 6 mm (1/4") RH fasteners.'