Strap lock pairs (D style)

Matching pair of strap locks in 3 different colours, 

These lock onto your guitar strap so there's no chance of your strap slipping off your strap pins, destroying your precious guitar in the process. These come in two parts - an inner strap pin that screws into your guitar as your standard strap buttons do. The second outer part clips onto the inner part by lifting the mechanism up and sliding it over the strap button. Once the mechanism is released, it locks on. The outer mechanism is secured onto your strap by being threaded through the hole with a nut and washer (supplied) installed from the other side of the strap. 

Dimensions:

(Pin)
Diameter: 13mm
Height: 13mm