Part of the UNO series from Kalloy. This SP-376 seatpost in 27.2mm available in black or silver. This is a twin bolt design both both bolts to the rear of the post and accessed from the underside.
Aluminium alloy post and craddle with steel bolts.
Suitable for road, CX, MTB, track... it is a seatpost it is designed to take a riders weight no matter the terrain.