Progressive AEG spring SP140 [Guarder]Progressive AEG spring SP140 [Guarder]

Progressive AEG spring SP140

Manufacturer: Guarder
Product SKU: 393
Availability: This product will be approx. in stock 15th October 2019
Description

Oil Quenched/Tempered Si-Cr Alloy Steel Wire. Not for TokyoMarui PSG-1. Progressive (nonlinear) winding gives lower resist at the first phase of pressing, but spring keep the same power.