Welcome to Defender Canada! 
Block Accessories
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Ronstan Series 25 Ball Bearing Acetal Sheave - RF28000
$11.78 -
Spinlock TWR Line Organizer
$352.39 - $806.77 -
Spinlock Replacement T50 Sheave
$26.33 - $60.52 -
Barton Stainless Steel Swivel
$17.69 - $24.46 -
Barton Plastic Stand Up Spring
$15.19 -
Barton Stainless Steel Stand Up Spring
$6.53 - $17.19 -
Lewmar Articulated Sheave - 6" - 89100032
$491.30 -
Barton Flush Mount Deck Plate
$143.73 - $186.37 -
Barton Ball Bearing Rope Sheave
$30.83 - $35.92 -
Barton Plain Bearing Rope Sheave - 64804
$5.18 -
Barton Tapered Spring for Stand-Up Block - 60119
$8.24 -
Barton Size 2 Curved Backing Plate for Cheek Block - N02161
$10.60 -
Lewmar HTX Upstand Kit
$93.64 - $205.03 -
Lewmar Becket Assembly (2-Pack)
$42.88 - $45.70 -
Lewmar Upstand Kit
$48.52 - $54.16 -
Lewmar Size 1 HTX Spare Rubber Buffer Kit - 291219911
$23.30 -
Lewmar Control Spring Block Upstand Kit - 30 - 40 mm (1 3/16" - 1 9/16") - 29904046
$23.38 -
Lewmar Size 3 NTR Upstand Assembly - 29473024
$178.24 -
Lewmar Size 3 Stand Up Base - 29393000
$200.80 -
Lewmar Size 2 Deck Plate - 19821000
$123.25 -
Harken Stand-Up Boot
$22.71 - $24.50 -
Harken Sheave - 76 mm (3") - 500
$337.52 -
Harken Stanchion Mount Base - 061
$62.57 -
Schaefer Delrin Base - 35-019
$24.13 -
Schaefer Series 5 Deck Plate Adapter - 504-02
$135.94 -
29% offSchaefer Series 5 Upset Shackle with Universal Adapter - 78-50
$65.44$45.99 -
Schaefer Series 5-Cheek Block Pad - 55-60
$52.75 -
Schaefer Delrin Sheave - 1 7/16" - 62-030-02
$30.19 -
Schaefer Aluminum Sheave - 2" - 62-023-15BW
$116.20 -
14% offSchaefer Aluminum Sheave - 2" - 62-023-15CW
$137.35$116.84 -
Schaefer Delrin Sheave - 2" - 62-018
$30.19 -
Schaefer Delrin Sheave - 2" - 62-051
$30.19 -
Schaefer 7 Series Cheek Pad - 55-61
$56.98 -
Schaefer 7 Series Deck Plate - 704-02
$178.24 -
24% offSchaefer 7 Series Universal Adapter - 704-12
$221.95$166.61 -
Schaefer 7 Series Universal Adapter - 78-70
$82.36 -
Ronstan Series 55 Stand-Up Base - RF2455
$27.43 -
19% offRonstan Stand-up Base - RF2457
$36.76$29.53 -
Ronstan Ball Bearing Swivel - RF78A
$152.43 -
Ronstan Curved Surface Cheek Block Adapter - RF41153
$15.87 -
18% offRonstan Link Retainer Clips - RF40001
$6.73$5.51 -
18% off
Ronstan Link Retainer Clips - RF40002
$9.82$7.97 -
Ronstan Replacement 55 Series Retainer Clip - RF50001
$7.23 -
19% off
Ronstan Replacement 70 Series Retainer Clip - RF70001
$13.27$10.74 -
Ronstan Series 40 Stand-Up Base - RF2454
$24.57 -
Ronstan Series 40 Standup Spring - RF319
$7.89 -
Ronstan Series 55 BB & RT Link Retainer Clips - RF50002
$15.87 -
Ronstan Series 55 BB Link Retainer Clips - RF50003
$14.80