Safety pins · Sampheng wholesale
Safety pin size 4 — 56 mm
Nickel-plated spring steel with a capped point — popular with mother & baby, hospitals, hotels. Wholesale by the box, split by dozen or gross.
Counted, not weighed
Dozen / gross / box
Ships nationwide
Length vs the largest size (7 = 85 mm)
Length5.6 cm · 56 mm (2-1/4")
Per box~432 pins
MaterialNickel-plated steel
Wire gauge1.10 mm
Colourssilver (nickel plated)
What size 4 is for
- Cloth diapers
- Blankets & towels
- Hospital/hotel bedding
- Secure heavy-fabric pinning
Compare with nearby sizes
| Size | Length | Per box | Best for |
|---|---|---|---|
| Size 3 | 46 mm (4.6 cm) | ~408–432 | Quilting & duvets |
| Size 4 (this page) | 56 mm (5.6 cm) | ~432 | Cloth diapers |
| Size 5 | 65 mm (6.5 cm) | ~216 | Stage & event draping |
Full size chart → · Diaper-pin guide → · Size-choosing guide → · Wholesale by the box →
FAQ
How long is size 4?
About 5.6 cm (56 mm / 2-1/4"), measured cap to coil; makers vary by ±2–3 mm.
How many per box?
About 432 pins per box (counted, not weighed) — also sold by the dozen bunch or 144-pin gross.
Safe for diapers?
Size 4 is the standard diaper pin with a capped point — plastic-head locking pins are also available, just ask.
Order size 4 — tell us how many
Stock check, retail/wholesale quote, and shipping — all in one chat.