Stainless steel Dual angle rod holders with 4 stem and 4-screw

Driftmaster Li'l Pro Series Duo Rod Holders 265-H and 265-HL

Fisherbrand™ Stainless Steel Clamps Small 3-Prong Dual Adjust Extention Clamp; 0 to 1.9 (0 to 48mm) Products

1/4-20 x 3 Hanger Bolts-1/Pack

30 and 60 mm Cage System Construction Rods

Bolt Rod Holder

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Fishing Rod Holder, Stainless Steel Rod Holder, 4 Link Tube Wall Mounted Fishing Pole Holders with Quick Release Pin for Truck, Boat, Kayak, Marine, Yacht, Camper : : Sports & Outdoors

Mark IV 316 Stainless Steel Fishing Rod Holder With Track Mount

Bolt Rod Holder

Screwless HD Swivel Rod Holder — Rupp Marine Inc.

Multi-Start Thread Reference Guide - In The Loupe - Machinist Blog