The bit is part of Wera's 851/4 Z family and is specified for use with holders according to DIN ISO 1173-F 6

Technical documentation and manufacturer information can be found on the manufacturer's product page

0104 MS-S21

Model: Desco 19297

RTP 013 S Pico Chisel Unit(s):Pcs The bit is part ofRT Nano Pico Soldering Tip from Weller This Weller RTP 013 S (Item No. T0050104499) is an RT Nano Pico chisel soldering tip designed for precision soldering of very small components. The product description clearly states that the tip has dimensions of 1. 3 0. 3 mm and is intended for use with Weller WXPP soldering irons. Description The Weller RTP 013 S is an active RT Nano Pico tip with HM WX material type and a short tip to grip distance for