Stainless Steel Snap Hook with swivel snap is recommended for 5/16 in. halyard. Eye opening is 1/2 in. and length is 3-1/2 in.
Marine City 316 Marine Grade Stainless Steel Carabiner Spring Snap
Stainless Steel Snap Hook Lock C-1075, Takigen
STAINLESS STEEL SNAP HOOK — Kerr Unit Inc
3/16 Stainless Steel Wide Asymmetrical Carabiner Snap Hook
Stanley National 3042BC 3/4 x 3-5/8 Trigger Snap Hook with
4 Inch hooks, Made of 304 stainless steel that protects against corrosion, Capacity 650 lb Versatile binding, rigging & anchoring hardware. 2 Pcs
4 Inch Spring Snap Hook 304 Stainless Steel Quick Link Snap Hook Clips 2 Pcs
By Wichard Inc. - Model # WIC 2381 Length: 3 (75 mm) - Eye: 13/32 (10 mm) - Mouth: 15/32 (12 mm) Material: HR 17.4 Ph SS - Breaking Load: 3,175 lbs
Wichard High Resistance Stainless Steel Safety Snap Hook - Size: Medium or 3
Galvanised Steel Carabiner Hook
SNAP HOOK - STAINLESS STEEL - 1/4 x 2-1/2
Heavy Duty 2 & 2.8 Stainless Steel Carabiner Spring Snap Clip