Your search for "ronstan watch" revealed the following:
Spinlock Low Profile Control Line Guide
$14.60
This low profile fairlead is designed to help align lines between two fixed points with little horizontal or vertical deflection.Stainless steel rope guide. Low profile avoids snagging. Integral gasket sealed base. Max Line Diameter 6mm. Single screw fitting. 10mm, 12mm and 16mm also available - please enquire if interested.
$166.70
Selden plain bearing blocks have great performance in all sorts of applications.Plain bearing blocks are typically used for heavy and static loads in: Halyard tuning, Mainsheet systems, Boom vang purchases.Glass fibre reinforced sheave with Polymer bushing.Optimised 6/8 shackle with Ø6 body for good compatibility and Ø8 pin for high bending...
Stainless Steel Handrail - 7/8" (22mm)
$32.40
316 marine grade stainless steel tube polished to a mirror finish. Marine-grade nylon base. Mounting hardware included. Suitable for boats, caravans or showers for less able persons. 3/4" (19mm) diameter available here.1" (25mm) diameter available here.
Bailer - Plastic scoop 1ltr Red
$7.50
This Hand Bailer Scoop is perfect for accidental capsizes and bailing after a rain storm.Handle centered on scooping surface. Approx. capacity 1ltrMeasures: 185 x 130mm
Stern light LED with white housing
$59.00
Ideal for yachts and powerboats. Attractive, ultra power saving and reliable. 135 deg viewing angle.2NM minimum visible distance.51mm x 79.9mm x 28.7mm
Quick Release Pin - Stainless Steel
$12.90
4 sizes available, made from 316 grade stainless steel. These quick release pins allow for easy removal and replacement where clevis or toggle pins would have been used. Spring loaded ball to allow quick removal and provide secure retention. See image and drop down menu for sizes.
$44.90
Suits a variety of applications where quick attachment or removal is required. A 10.0 mmB 9.0 mmC 51.0 mmB. L. 360 kgWeight 25 g
$459.60
TECHNICAL FEATURES. Glass fibre reinforced sheave with polymer bushing. Bronze top swivel bushings. Optimised 8/10 shackle with Ø8 body for good compatibility and Ø10 pin for high bending resistance. Stainless steel strap for best strength and longer service life. Stiff glass fibre reinforced composite cheeks to prevent lines from wedging. Sliding swivel locking mechanism.  FIDDLE...
$4.70
The stainless steel marine grade 316 round rings are very solid and dependable, suitable for many varieties of applications. A: 6mmB: 40mmC: 36mm Complete Stainless ring selection
$155.60
TECHNICAL FEATURES. Acetal sheave.Stainless steel strap for best strength and longer service life.Stiff glass fibre reinforced composite cheeks to prevent lines from wedging.Sliding swivel locking mechanism. Part number 406-001-11 SPECIFICATIONSWeight: 500.00 gSafe working Load: 1000 kgBreaking Load: 2000 kgMax line size: 14 mmPin diam: 6 mmShackle diam: 6 mmMounting: 0, 90,...