These could almost be in the Active protection range as the wire does push them against the rock.

Wired tri-cams are uniquely designed versatile climbing gear that provides semi-active camming lock when placed into vertical, horizontal or pocket spots. Swaged wire works as a spring that enables the tri-cam to lock in its position. It also enable secure placement with one hand only. Tri-cams are significantly lighter then regular spring-loaded devices (friends), cost much less and often work extremely well even in shallow cracks, pockets and over the edge placements. They can also be used as standard wedging nuts. Swaged wire loops are color coded for easy identification and sizing. Made of extra durable aluminum alloy

They have the following features:

• Set of 6 Wired Tricams are CE certified (CE 1015)
• Great size range for a varieyt of placements
• Wire provides spring action to seat tricam in crack
• Colour coded for easy ID
• Available seperately on request
• Set weight – 0.35 Kgs