SpringsCentury 1/4 Inch Stainless Extension Spring 2PKfrom NZ$14.99 to NZ$24.90Add to wishlistCentury 3/8 Inch Stainless Extension Spring 2PKfrom NZ$25.99 to NZ$40.99Add to wishlistCentury 13/32 Inch Zinc Plated Utility Compression Springprice NZ$8.98Add to wishlistpricewasnowsavefromtoapprox